Down syndrome is not increased in offspring of natural family planning users (case control analysis)
Author:
Publisher
Wiley
Subject
Genetics (clinical)
Reference3 articles.
1. Mongolism, Delayed Fertilization and Human Sexual Behaviour
2. Pregnancy outcome associated with natural family planning (NFP): scientific basis and experimental design for an international cohort study
Cited by 10 articles. 订阅此论文施引文献 订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献
1. Fertilisation involving ageing gametes, major birth defects, and Down's syndrome;The Lancet;2002-05
2. Sex ratio imbalance and Down’s syndrome newborns;Journal of Perinatal Medicine;2001-01-16
3. The frequency and spectrum of congenital anomalies in natural family planning users in South America: No increase in a case-control study;Advances in Contraception;1997
4. Pregnancy outcome in natural family planning users: cohort and case-control studies evaluating safety;Advances in Contraception;1997
5. An overview on the effectiveness of natural family planning;Gynecological Endocrinology;1997-01
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