Abstract
Purpose
To investigate neonatal outcomes and congenital malformations in children born after in vitro fertilization (IVF) and vitrified embryo transfer cycles using human menopausal gonadotrophin and medroxyprogesterone acetate (hMG + MPA) treatment.
Methods
We performed a retrospective cohort study including 4596 live born babies. During January 2014–June 2016, children born after either hMG + MPA treatment, gonadotropin releasing hormone agonist short protocol, or mild ovarian stimulation were included. The main outcome measures were neonatal outcomes and congenital malformations.
Results
Neonatal outcomes both for singletons and twins such as mean birth weight and length, gestational age, the frequency of preterm birth were comparable between groups. Rate of stillbirth and perinatal death were also similar. No significant differences were found in the overall incidence of congenital malformations between the three groups. Multivariable logistic regression indicated that hMG + MPA regimen did not significantly increase the risk of congenital malformations compared with short protocol and mild ovarian stimulation, with adjusted odds ratio of 1.22 [95% confidence interval (CI) 0.61–2.44] and 1.38 (CI 0.65–2.93), respectively, after adjusting for confounding factors.
Conclusions
Our data suggested that compared with conventional ovarian stimulations, hMG + MPA treatment neither compromised neonatal outcomes of IVF newborns, nor did increase the prevalence of congenital malformations.
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Acknowledgements
We gratefully acknowledge all the staff of the department of assisted reproduction in Shanghai Ninth People’s Hospital for their support and cooperation.
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JZ: Manuscript writing, Data analysis. XM: Manuscript writing, Data analysis. YW: Data collection. QC: Data collection. XL: Data collection. QH: Data collection. YK: Project development.
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This work was supported by grants from National Natural Science Foundation of China (no. 81571397) and Natural Science Foundation of Shanghai (CN) (no. 14411964300).
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The authors declare that there is no conflict of interest.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Given the retrospective design, written informed consent was not required.
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Zhang, J., Mao, X., Wang, Y. et al. Neonatal outcomes and congenital malformations in children born after human menopausal gonadotropin and medroxyprogesterone acetate treatment cycles. Arch Gynecol Obstet 296, 1207–1217 (2017). https://doi.org/10.1007/s00404-017-4537-z
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DOI: https://doi.org/10.1007/s00404-017-4537-z