Talk:Book - Manual of Human Embryology 8
From Embryology
++++++++++++++++++++++++++ Married women . . . Unmarried women
On last day of menstrua tloD.
Percent. 35.55 25.49
First twelve days
after beginning of
menstruation.
Percent.
88.44 70.98
First seven days
after end of
menstruation.
Per cent.
88.88 70.58
Similar figures are given by Issmer.
Time of copulation.
First week of menstrual period . . Second week of menstrual period Third week of menstrual period. Fourth week of menstrual period
Average duration of pregnancy.
277 days 279 days 287 days 285 adys
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