From strange cravings, mood swings and erratic bowel movement, your periods can really throw a curveball at your body. Of those that are rarely spoken about and still remains perplexing is the ...

This type of bleeding is predictable, occurring 10-16 days after the onset of the patient's last menses, light, and lasts 12-72 hours. It occurs in 10%-30% of women and is considered normal ...

Here's a riddle for you: what do human females have in common with killer whales, beluga whales, narwhals, and short-finned ...