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Natural family planning effectiveness in Belgium

โœ Scribed by A. De Leizaola-Cordonnier


Publisher
Springer
Year
1995
Tongue
English
Weight
491 KB
Volume
11
Category
Article
ISSN
0267-4874

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Castilla et al. [1995] report that users of natural family planning (NFP) produced no excess of Down syndrome (DS) infants. The finding is relevant to the question of whether DS is sometimes the consequence of the fertilization of an oocyte which is "overripe." That question achieved prominence in t