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Being a sperm doner is dumb for a ton of reasons, this is just one of them.... https://t.co/ohSPrAuVVl
Richard Cooperx.comrecent research found that in couples who experience recurrent miscarriages, the men have twice the level of DNA fragmentation in their sperm and four times higher levels of reactive oxygen species in their semen, which can cause DNA damage to sperm, than men whose partners didn’t have a history of repeated miscarriages.
Shanna H. Swan • Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race
Useful
Roberto Gejman • 2 cards
Inutile / vide fertile / patience
Marine Buclon-Ducasse • 17 cards
non-sense
Michael Dean • 2 cards
Useful
Abbie Johnson • 2 cards
infertility
Lauren Wilde • 1 card