Evan talked to his female friends and collected their answers when asked by Bored Panda what he thought were other glaring gaps in knowledge that guys have about women. Here are some of their responses:

“For the entire history of medicine and medical care, male bodies have been the “default” and women have always been an afterthought. Since everything we know about medical science comes from research on male bodies, we have a lot of gaps to bridge.“

“Birth control has a variety of uses and not everyone who uses birth control is doing so as a contraceptive (obviously there’s nothing wrong with contraceptives, but in many religious communities, women are shamed for using birth control based on the assumption that they’re having frequent, non-monogamous, extramarital sex).”