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Natural Family Planning

โœ Scribed by Maureen Scagliotti


Book ID
109271017
Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
113 KB
Volume
23
Category
Article
ISSN
0884-2175

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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

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We appreciate the interest of James [1996] in our recent report [Castilla et al., 19951. Of course, it is selfevident that definitively assessing the deleterious effect of aging gametes requires a more rigorous study design, namely, a cohort study in which date of conception is correlated with subse