It’s not just the mother’s age that matters. According to new research, men’s biological clocks are ticking, too. Older fathers may put their infants — and partners — at risk for pregnancy complications.
Source link : https://www.dw.com/en/fertility-sperm-also-has-an-expiration-date/a-48720276?maca=en-rss-en-all-1573-rdf
Publish date : 2019-05-14 10:10:00
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