Beside sex, if there ever was an awkward subject for Indian parents to address, then menstruation is definitely it. Popular comedian Lilly Singh or Superwoman released her version of Indian parents explaining periods to children.
Everything went downhill from there.
From description of ovaries (not under-ies) and uterus (not me-terus) fighting a bloody war inside the stomach, this hilarious video is an instruction manual from hell for parents struggling to explain the menstrual cycle to their kids.
Take a look.