Duration of pregnancy in humans. Zweifel (Arch. f. Gyn., Bd. 116)
V. Gruzdev
Kazan medical journal ›› 1923, Vol. 19 ›› Issue (2) : 102 -102.
Duration of pregnancy in humans. Zweifel (Arch. f. Gyn., Bd. 116)
Addressing this issue on the basis of a number of statistics reported by different authors, Zweifel concludes that pregnancy can last more than 302 days, moreover, if you count it not only from the first day of the last period in a woman, but also from the day of a fruitful intercourse.
Gruzdev V.
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