A mother's age at menopause may predict her daughter's fertility in terms of eggs remaining in her ovaries.

A Belgian demographer discovered that a State's Fertility Rate was related on whether it voted Republican or Democrat.

When women are fertile they choose the sexy guy over the stable guy. Researchers found that women mated to the less sexually attractive men were significantly more likely to find fault with their partners and, again, feel less close to their partners during the high-fertility period than the low-fertility period. 

Cheese and high-fat dairy decrease fertility in men. Men who eat three portions of full-fat dairy a day have lower quality sperm than those who do not,