Their study suggests that the sperm quality may have been impacted by contaminants in dog food, and the scientists say the findings could possibly have some parallels with human fertility as well. (newatlas.com)
Yes, the «one child policy» affected human fertility, but look at efforts by governments to get husbands and wives to have children and the effects are tiny at best. (alephblog.com)
Their astounding capacity to delay ovulation from fall until spring holds clues about human fertility. (religion-online.org)