Associated factors of secondary sex ratio of offspring in assisted reproductive technology: a cross-sectional study in Jilin Province, China
Abstract Background The aim of this study was to determine the secondary sex ratio (SSR) of offspring in assisted reproduction technology (ART) in Jilin Province, China, and to analyse the influencing factors associated with SSR. Methods A cross-sectional study of 3833 babies including singletons an...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2020-11-01
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| Series: | BMC Pregnancy and Childbirth |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s12884-020-03373-1 |