scholarly journals Pregnancy outcomes of dichorionic triamniotic triplet pregnancies after in vitro fertilization-embryo transfer: multifoetal pregnancy reduction versus expectant management

2019 ◽  
Author(s):  
Pei Cai ◽  
Yan Ouyang ◽  
Fei Gong ◽  
Xihong Li
Keyword(s):  
Preterm Delivery ◽  
Pregnancy Outcomes ◽  
Expectant Management ◽  
Triplet Pregnancy ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B ◽  
Singleton Pregnancies ◽  
Ivf Et

Abstract Background: Trichorionic triplet pregnancy reduction to twin pregnancy is associated with a lower risk of preterm delivery but not of miscarriage. However, reports on dichorionic triamniotic (DCTA) triplet pregnancy outcomes are few. This study aimed to compare the pregnancy outcomes of reducing DCTA triplets achieved via in vitro fertilization-embryo transfer (IVF-ET) to monochorionic (MC) singleton or monochorionic diamniotic (MCDA) twin pregnancies at 11-13+6 gestational weeks to the pregnancy outcomes of expectant management. Method: Two hundred and ninety-eight patients with DCTA triplets via IVF-ET from January 2012 to December 2016 were retrospectively analysed. All foetuses were alive until 11-13+6 gestational weeks. Eighty-four DCTA triplet pregnancies were reduced to MC singleton pregnancies (group A), 149 were reduced to MCDA pregnancies (group B), and 65 were managed expectantly (group C). Each multifoetal pregnancy reduction (MFPR) was performed at 11-13+6 gestational weeks. Pregnancy outcomes were compared among these 3 groups. Result(s): There were no significant differences in the miscarriage rates (4.8 vs. 2.7 vs. 6.2%, respectively) or live birth rates (90.5 vs. 87.2 vs. 86.2%, respectively) among groups A, B and C (P > 0.05). Group A had significantly lower preterm delivery (11.9 vs. 89.2%; odds ratio (OR) 0.016, 95% confidence interval (CI) 0.006-0.045) and low birth weight rates (LBW; 9.2 vs. 92.9%; OR 0.008, 95% CI 0.003-0.021) than group C (P < 0.001). Group B had significantly lower preterm delivery (51.7 vs. 89.2%; OR 0.129, 95% CI 0.055-0.301) and LBW rates (59.0 vs. 92.9%; OR 0.111, 95% CI 0.057-0.214) than group C (P < 0.001). Group A had significantly lower preterm delivery (11.9 vs. 51.7%; OR 0.126, 95% CI 0.061-0.263; P < 0.001), LBW (9.2 vs. 59.0%; OR 0.071, 95% CI 0.031-0.160; P < 0.001) and perinatal mortality rates (5.0 vs. 13.4%; OR 0.339, 95% CI 0.117-0.978; P = 0.037) than group B. Conclusion: The MFPR of DCTA triplet pregnancies to singleton or MCDA pregnancies was associated with better pregnancy outcomes than DCTA triplets managed expectantly. The perinatal outcomes of DCTA triplets reduced to singleton pregnancies were better than those of DCTA triplets reduced to MCDA pregnancies.

scholarly journals Pregnancy outcomes of dichorionic triamniotic triplet pregnancies after in vitro fertilization-embryo transfer :  multifoetal pregnancy reduction versus expectant management

2019 ◽  
Author(s):  
Pei Cai ◽  
Yan Ouyang ◽  
Fei Gong ◽  
Xihong Li
Keyword(s):  
Preterm Birth ◽  
Pregnancy Outcomes ◽  
Expectant Management ◽  
Triplet Pregnancy ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B ◽  
Singleton Pregnancies ◽  
Ivf Et

Abstract Background: Trichorionic triplet pregnancy reduction to twin pregnancy is associated with a lower risk of preterm delivery but not with a lower risk of miscarriage. However, data on dichorionic triamniotic (DCTA) triplet pregnancy outcomes are lacking. This study aimed to compare the pregnancy outcomes of DCTA triplets conceived via in vitro fertilization-embryo transfer (IVF-ET) managed expectantly or reduced to a monochorionic (MC) singleton or monochorionic diamniotic (MCDA) twins at 11-13 +6 gestational weeks. Method s : Two hundred ninety-eight patients with DCTA triplets conceived via IVF-ET between 2012 and 2016 were retrospectively analysed. DCTA triplets with three live foetuses were reduced to a MC singleton (group A) or MCDA twins (group B) or underwent expectant management (group C). Each multifoetal pregnancy reduction (MFPR) was performed at 11-13 +6 gestational weeks. Pregnancy outcomes in the 3 groups were compared. Results: Eighty-four DCTA pregnancies were reduced to MC singleton pregnancies, 149 were reduced to MCDA pregnancies, and 65 were managed expectantly. There were no significant differences among groups A, B, and C in miscarriage rate (8.3 vs. 7.4 vs. 10.8%, respectively) and live birth rate (90.5 vs. 85.2 vs. 83.1%, respectively) (P > 0.05). Group A had significantly lower rates of preterm birth (8.3 vs. 84.6%; odds ratio (OR) 0.017, 95% confidence interval (CI) 0.006-0.046) and low birth weight (LBW; 9.2 vs. 93.2%; OR 0.007, 95% CI 0.003-0.020) than group C (P < 0.001). Group B had significantly lower preterm birth (47.0 vs. 84.6%; OR 0.161, 95% CI 0.076-0.340) and LBW rates (58.7 vs. 93.2%; OR 0.103, 95% CI 0.053-0.200) than group C (P < 0.001). Group A had significantly lower preterm birth (8.3 vs. 47.0%; OR 0.103, 95% CI 0.044-0.237; P < 0.001), LBW (9.2 vs. 58.7%; OR 0.071, 95% CI 0.032-0.162; P < 0.001) and perinatal death rates (1.3 vs. 9.1%; OR 0.132, 95% CI 0.018-0.991; P = 0.021) than group B. Conclusion: The MFPR of DCTA triplets to singleton or MCDA pregnancies was associated with better pregnancy outcomes compared to expectant management. DCTA triplets reduced to singleton pregnancies had better perinatal outcomes than DCTA triplets reduced to MCDA pregnancies.

scholarly journals Pregnancy outcomes of dichorionic triamniotic triplet pregnancies after in vitro fertilization-embryo transfer : multifoetal pregnancy reduction versus expectant management

2020 ◽  
Author(s):  
Pei Cai ◽  
Yan Ouyang ◽  
Fei Gong ◽  
Xihong Li
Keyword(s):  
Preterm Birth ◽  
Pregnancy Outcomes ◽  
Expectant Management ◽  
Triplet Pregnancy ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B ◽  
Singleton Pregnancies ◽  
Ivf Et

Abstract Background: Trichorionic triplet pregnancy reduction to twin pregnancy is associated with a lower risk of preterm delivery but not with a lower risk of miscarriage. However, data on dichorionic triamniotic (DCTA) triplet pregnancy outcomes are lacking. This study aimed to compare the pregnancy outcomes of DCTA triplets conceived via in vitro fertilization-embryo transfer (IVF-ET) managed expectantly or reduced to a monochorionic (MC) singleton or monochorionic diamniotic (MCDA) twins at 11-13 +6 gestational weeks. Method s : Two hundred ninety-eight patients with DCTA triplets conceived via IVF-ET between 2012 and 2016 were retrospectively analysed. DCTA triplets with three live foetuses were reduced to a MC singleton (group A) or MCDA twins (group B) or underwent expectant management (group C). Each multifoetal pregnancy reduction (MFPR) was performed at 11-13 +6 gestational weeks. Pregnancy outcomes in the 3 groups were compared. Results: Eighty-four DCTA pregnancies were reduced to MC singleton pregnancies, 149 were reduced to MCDA pregnancies, and 65 were managed expectantly. There were no significant differences among groups A, B, and C in miscarriage rate (8.3 vs. 7.4 vs. 10.8%, respectively) and live birth rate (90.5 vs. 85.2 vs. 83.1%, respectively) (P > 0.05). Group A had significantly lower rates of preterm birth (8.3 vs. 84.6%; odds ratio (OR) 0.017, 95% confidence interval (CI) 0.006-0.046) and low birth weight (LBW; 9.2 vs. 93.2%; OR 0.007, 95% CI 0.003-0.020) than group C (P < 0.001). Group B had significantly lower preterm birth (47.0 vs. 84.6%; OR 0.161, 95% CI 0.076-0.340) and LBW rates (58.7 vs. 93.2%; OR 0.103, 95% CI 0.053-0.200) than group C (P < 0.001). Group A had significantly lower preterm birth (8.3 vs. 47.0%; OR 0.103, 95% CI 0.044-0.237; P < 0.001), LBW (9.2 vs. 58.7%; OR 0.071, 95% CI 0.032-0.162; P < 0.001) and perinatal death rates (1.3 vs. 9.1%; OR 0.132, 95% CI 0.018-0.991; P = 0.021) than group B. Conclusion: The MFPR of DCTA triplets to singleton or MCDA pregnancies was associated with better pregnancy outcomes compared to expectant management. DCTA triplets reduced to singleton pregnancies had better perinatal outcomes than DCTA triplets reduced to MCDA pregnancies.

scholarly journals Pregnancy outcomes of dichorionic triamniotic triplet pregnancies after in vitro fertilization-embryo transfer: multifoetal pregnancy reduction versus expectant management

2020 ◽  
Author(s):  
Pei Cai ◽  
Yan Ouyang ◽  
Fei Gong ◽  
Xihong Li
Keyword(s):  
Preterm Birth ◽  
Pregnancy Outcomes ◽  
Expectant Management ◽  
Triplet Pregnancy ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B ◽  
Singleton Pregnancies ◽  
Ivf Et

Abstract Background: Trichorionic triplet pregnancy reduction to twin pregnancy is associated with a lower risk of preterm delivery but not with a lower risk of miscarriage. However, data on dichorionic triamniotic (DCTA) triplet pregnancy outcomes are lacking. This study aimed to compare the pregnancy outcomes of DCTA triplets conceived via in vitro fertilization-embryo transfer (IVF-ET) managed expectantly or reduced to a monochorionic (MC) singleton or monochorionic diamniotic (MCDA) twins at 11-13+6 gestational weeks.Methods: Two hundred ninety-eight patients with DCTA triplets conceived via IVF-ET between 2012 and 2016 were retrospectively analysed. DCTA triplets with three live foetuses were reduced to a MC singleton (group A) or MCDA twins (group B) or underwent expectant management (group C). Each multifoetal pregnancy reduction (MFPR) was performed at 11-13+6 gestational weeks. Pregnancy outcomes in the 3 groups were compared.Results: Eighty-four DCTA pregnancies were reduced to MC singleton pregnancies, 149 were reduced to MCDA pregnancies, and 65 were managed expectantly. There were no significant differences among groups A, B, and C in miscarriage rate (8.3 vs. 7.4 vs. 10.8%, respectively) and live birth rate (90.5 vs. 85.2 vs. 83.1%, respectively) (P > 0.05). Group A had significantly lower rates of preterm birth (8.3 vs. 84.6%; odds ratio (OR) 0.017, 95% confidence interval (CI) 0.006-0.046) and low birth weight (LBW; 9.2 vs. 93.2%; OR 0.007, 95% CI 0.003-0.020) than group C (P < 0.001). Group B had significantly lower preterm birth (47.0 vs. 84.6%; OR 0.161, 95% CI 0.076-0.340) and LBW rates (58.7 vs. 93.2%; OR 0.103, 95% CI 0.053-0.200) than group C (P < 0.001). Group A had significantly lower preterm birth (8.3 vs. 47.0%; OR 0.103, 95% CI 0.044-0.237; P < 0.001), LBW (9.2 vs. 58.7%; OR 0.071, 95% CI 0.032-0.162; P < 0.001) and perinatal death rates (1.3 vs. 9.1%; OR 0.132, 95% CI 0.018-0.991; P = 0.021) than group B.Conclusion: The MFPR of DCTA triplets to singleton or MCDA pregnancies was associated with better pregnancy outcomes compared to expectant management. DCTA triplets reduced to singleton pregnancies had better perinatal outcomes than DCTA triplets reduced to MCDA pregnancies.

Salivary oestradiol and progesterone after in vitro fertilization and embryo transfer using different luteal support regimens

1990 ◽  
Vol 2 (4) ◽  
pp. 351 ◽  
Author(s):  
YF Wong ◽  
EP Loong ◽  
KR Mao ◽  
PP Tam ◽  
NS Panesar ◽  
...  
Keyword(s):  
In Vitro Fertilization ◽  
Embryo Transfer ◽  
Luteal Phase ◽  
Biologically Active ◽  
Luteal Support ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B ◽  
Ivf Et

Salivary oestradiol (E2) and progesterone (P) levels have been shown to reflect the biologically active fractions in the serum. The luteal-phase status of stimulated cycles was investigated after in vitro fertilization and embryo transfer (IVF-ET). Thirty patients were randomly allocated to one of three luteal therapy groups: group A had no support, group B had intramuscular P and group C had intramuscular P and human chorionic gonadotrophin (hCG). One pregnancy was achieved in group A, two in group B and three in group C. Significant correlations between salivary and serum levels of E2 and of P in matched samples during luteal phase were found. Salivary E2 levels from luteal day 8 through day 14 and P levels from day 3 through day 14 were significantly higher in the pregnant than in the nonpregnant cycles. Among the nonpregnant cycles, salivary E2 and P levels were significantly higher in group C than in group A or B. These findings suggest that, in stimulated cycles for IVF-ET, determination of salivary E2 and P levels may be used as reliable alternatives to serum concentrations for assessing the luteal phase. Also, the additional hCG has an enhanced luteotrophic effect, as reflected by the higher salivary E2 and P levels, which may lead to a better pregnancy rate.

scholarly journals High Serum FSH is Associated with Brown Oocyte Formation and a Lower Pregnacy Rate in Human IVF Parctice

2016 ◽  
Vol 39 (2) ◽  
pp. 677-684 ◽  
Author(s):  
Hongyi Xu ◽  
Kai Deng ◽  
Qingbing Luo ◽  
Juan Chen ◽  
Xin Zhang ◽  
...  
Keyword(s):  
Pregnancy Rate ◽  
Embryo Quality ◽  
High Serum ◽  
Vitro Fertilization ◽  
Good Quality Embryo ◽  
Serum Hormone ◽  
Group A ◽  
Group B ◽  
Ivf Et

Background/Aims: To investigate whether brown zona pellucida (ZP) of oocytes affects the outcome of fertilization, embryo quality and pregnancy rate in in vitro fertilization-embryo transfer (IVF-ET). Methods: Based on the ZP color of their oocytes, a total number of 703 patients dated from 2012 to 2014 were divided into a normal egg group (group A) and a brown oocyte group (group B), with 629 and 74 cases, respectively. Clinical characteristics, gonadotropin (Gn) days, Gn dosage, serum hormone levels on the day of human chorionic gonadotropin (HCG) injection, ZP thickness (ZPT) of the eggs, fertilization rate, rescue intracytoplasmic sperm injection (rICSI) rate, good-quality embryo rate and pregnancy rate were compared between the two groups. Results: No significant differences were found in the duration and the causes of infertility, and their basal level of endocrine hormone before IVF-ET between normal egg group and brown egg group. The level of serum hormone including estradiol, progesterone and luteinizing hormone on the day of HCG injection were again similar. Moreover, there were no differences in number of mature oocytes, oocyte fertilization rates and rICSI rates after IVF between the two groups. However, we observed that the ZPT of brown oocytes (group B) was higher than that of normal oocytes (group A). Moreover, the Gn dosage and FSH levels on the day of HCG injection were significantly higher in group B than in group A and the good-quality embryo rate and pregnancy rate in group B were lower than those in group A. Conclusion: Compared with normal eggs, oocytes with a brown ZP were found to have a higher ZPT, lower embryo quality and lower pregnancy rate, which might be due to a high Gn dosage injection and high serum FSH levels during IVT-ET cycles.

scholarly journals Effect of hysteroscopic examination on the outcome of in vitro fertilization

2011 ◽  
Vol 68 (6) ◽  
pp. 476-480 ◽  
Author(s):  
Aleksandra Trninic-Pjevic ◽  
Vesna Kopitovic ◽  
Sonja Pop-Trajkovic ◽  
Artur Bjelica ◽  
Irena Bujas ◽  
...  
Keyword(s):  
Embryo Transfer ◽  
Uterine Cavity ◽  
Transvaginal Sonography ◽  
Vitro Fertilization ◽  
Significant Difference ◽  
Pregnancy And Delivery ◽  
Group A ◽  
Group B ◽  
Ivf Et

Bacground/Aim. Implantation failure after embryo transfer is one of the main problems of in vitro fartilization (IVF) and intrauterine pathologies can lead to unsuccessful outcome. The aim of this study was to determine if hysteroscopic examination of uterine cavity and consequent treatment of intrauterine lesions prior to IVF could improve the pregnancy rate in women under 38. Methods. This study included 480 patients under 38, who had undergone IVF or IVF\ICSI - embryo transfer cycles, in which one or more good quality embryos were transferred. By transvaginal sonography performed within the past 2 months, the uterus was found normal in all the patients enrolled in our IVF unit. The patients were divided into three groups: group A - with no hysteroscopic evaluation and no pathology, group B - with hysteroscopy but no pathology, and group C - with abnormal hysteroscopy finding and corresponding treatment. Results. The obtained results revaled no difference in the mean age, duration of infertility, number of mature oocytes in either group (p > 0.05). Clinical pregnancy rates in the groups A, B and C were 36.9%, 58.75% and 32.7%, respectively, and delivery rates were 27.5%, 48.7% and 25.7%, respectively. There was a statistically significant difference among the groups concerning pregnancy and delivery rates. Conclusion. Considering the results of this study we could conclude that hysteroscopy, as a routine examination, should be performed before the first IVF-ET cycle in all patients thereby reducing the failures and then the costs of IVF-ET.

scholarly journals Effect of embryo transfer depth on IVF/ICSI outcomes: A randomized clinical trial

2020 ◽  
Author(s):  
Robab Davar ◽  
Seyedeh Mahsa Poormoosavi ◽  
Fereshteh Mohseni ◽  
Sima Janati
Keyword(s):  
Assisted Reproductive Technology ◽  
Embryo Transfer ◽  
Pregnancy Outcomes ◽  
Uterine Cavity ◽  
Reproductive Technology ◽  
Clinical Pregnancy ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B

Background: Although there has been remarkable advancement in the field of assisted reproductive technology, implantation failure remains a significant issue in most infertile couples receiving these treatments. Embryo transfer is important in assisted reproductive technology and directly affects the implantation rates and pregnancy outcomes. Objective: To assess the effect of two different distance embryo transfer sites from fundal endometrial surface on the outcomes of in-vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) cycles. Materials and Methods: A total of 180 women who were candidate for IVF/ ICSI/ embryo transfer in Yazd Research and Clinical Center for Infertility were equally assigned to two groups based on the distance between the fundal endometrial surface and catheter tip to investigate implantation, chemical and clinical pregnancy (group A: 15 ± 5 mm and group B: 25 ± 5 mm, respectively). Results: The subjects in the group B showed significantly higher implantation rate, chemical and clinical pregnancy rate compared to the group A (p = 0.03, 0.01, 0.04, respectively). The rate of ongoing pregnancy and miscarriage indicated no significant differences between groups (p = 0.21, 0.27, respectively). Conclusion: In conclusion, our study showed that the depth of embryo replacement inside the uterine cavity at a distance of 25 ± 5 mm beneath fundal endometrial surface have better effects on the pregnancy outcomes of IVF/ICSI cycles and can be considered as an important factor to improve the success of IVF cycles. Key words: Embryo transfer, Endometrium, Pregnancy outcomes, IVF, ICSI.

scholarly journals Success rate of intrauterine insemination in patients with unknown infertility

2012 ◽  
Vol 69 (4) ◽  
pp. 301-307 ◽  
Author(s):  
Vladimir Jasovic ◽  
Emilija Jasovic-Siveska
Keyword(s):  
Success Rate ◽  
Negative Impact ◽  
Intrauterine Insemination ◽  
Unexplained Infertility ◽  
Mild Form ◽  
Vitro Fertilization ◽  
Group A ◽  
Group B ◽  
Twin Pregnancies

Background/Aim. Unknown cause of infertility exists in 10%-26% of couples with infertility problems. Treatment of these couples depends on the possibility of correcting the unidentified defect over time. Intrauterine insemination (IUI) and ovaluation stimulation are methods of choice in treatment of unexplained fertility, but if a woman is older than 37 years, in vitro fertilization (IVF) could be directly recommended. The aim of this research was to compare the success rate of pregnancies with IUI between the patients with unexplained infertility and the patients with mild form endometriosis. Methods. The study included on 50 patients diagnosed with mild form endometriosis (group A) and 50 patients with unknown cause infertility (group B). Using the same therapeutical protocol, human menopausal gonadothropin (hMG) stimulation and horionic gonadropin (hCG) induction were applied, as well as IUI. Results. The percentage of achieved ovulation was higher in the group B (p < 0.05). During the 3 simulated sequential periods 102 IUI were performed in the group A and 97 IUI in the group B. In the group A there were 6 single and 1 twin pregnancies sucesfully conceived (14%), while in group B there were 9 (18%) single pregnancies. Conclusion. The use of a combination of controled ovarian hyperstimulation and IUI is an effective, cheap and safe method for treating infertility couples, especially couples with unknown cause infertility. Mild form endometriosis, as etiological infertility factor, has a negative impact on IUI success rate.

scholarly journals Maternal characteristics and pregnancy outcomes of Chinese women with infertility undergoing in vitro fertilization  with  embryonic cryopreservation :  a retrospective cohort study

2020 ◽  
Author(s):  
jingxue wang ◽  
qiwei liu ◽  
Boer Deng ◽  
fang chen ◽  
xiaowei liu ◽  
...  
Keyword(s):  
Male Infertility ◽  
Pregnancy Outcomes ◽  
Chinese Women ◽  
Placenta Previa ◽  
Vitro Fertilization ◽  
Maternal Characteristics ◽  
Tubal Disease ◽  
Nicu Admission ◽  
Singleton Pregnancies

Abstract Background: To examine differences in the maternal characteristics and pregnancy outcomes of Chinese women with various causes of infertility who underwent in vitro fertilization (IVF) with embryonic cryopreservation treatment.Methods: Cases were pregnancies after IVF-ET with embryonic cryopreservation; controls were spontaneously conceived pregnancies. Subgroup analysis was carried out according to etiology of infertility. The IVF treatment group was divided into 5 subgroups according to infertility etiology as follows: ovulation disorder, tubal disease, male infertility, endometriosis, and mixed infertility. Data on demographic characteristics, medical history, laboratory tests, and delivery were reviewed. Logistic regression analysis was performed for pregnancy and perinatal complications and neonatal outcomes. The multivariable model was adjusted for potential confounders.Results: Among singleton pregnancies, compared with spontaneous pregnancies, IVF pregnancies were associated with significant increases in the rates of the following: gestational diabetes mellitus (GDM) (aOR 1.76[95% CI 1.33-2.33]), preeclampsia (2.60[1.61-4.20]), preterm preeclampsia (4.52[2.03-10.06]), postpartum hemorrhage (1.57[1.04-2.36]), intrahepatic cholestasis of pregnancy (3.84[1.06-13.94]), preterm premature rupture of membranes (2.11[1.17-3.81]), preterm birth (1.95[CI 1.26-3.01]), low birthweight (1.90[1.13-3.20]), macrosomia (1.53[1.03-2.27]), and neonatal intensive care unit (NICU) admission (1.69[1.22-2.34]) in the ovulation disorder group; GDM (1.50[1.21-1.86]), placenta previa (2.70[1.59-4.59]), placenta accreta (1.78[1.10-2.89]), postpartum hemorrhage (1.61[1.19-2.18]), macrosomia (1.60[1.21-2.13]) and 5-minute Apgar score ≤7 (4.09[1.04-16.08]) in the tubal disease group; placenta previa (9.33[4.22-20.62]), small for gestational age (2.29[1.04-5.08]), macrosomia (2.00[1.02-3.95]) and NICU admission (2.35[1.35-4.09]) in the endometriosis group; placenta previa (4.14[2.23-7.68]) and placenta accreta (2.05[1.08-3.87]) in the male infertility group; and GDM (1.85[1.15-2.98]), placenta previa (4.73[1.83-12.21]), placental abruption (3.39[1.20-9.56]), chorioamnionitis (2.93[1.04-8.26]), preterm birth (2.69[1.41-5.15]), and 1-minute Apgar score ≤7 (4.68[1.62-13.51]) in the mixed infertility group. Among multiple pregnancies, most of the differences that were significant in singleton pregnancies were less extensive or had disappeared.Conclusions: Infertility etiology within the IVF population was found to affect maternal and neonatal outcomes among all births. During the perinatal period, infertility etiology appears to be an additional risk factor for abnormal pregnancy outcomes besides the use of IVF techniques compared with spontaneous pregnancies. Higher risk was found for ovulation disorders, and lower risk was found for male infertility.

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