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Human Sexual Behaviour, Delayed Fertilization and Down's Syndrome

โœ Scribed by MATSUNAGA, E.; MARUYAMA, T.


Book ID
109666195
Publisher
Nature Publishing Group
Year
1969
Tongue
English
Weight
293 KB
Volume
221
Category
Article
ISSN
0028-0836

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## Abstract We analyzed the sexual habits of 80 mothers of normal children and of 33 mothers of children with the Down syndrome (DS). The data were obtained through the psychological interview technique. Unusually long intervals between intercourse at the time of conception were reported more frequ