Like HowStuffWorks on Facebook!

Female Reproductive System

The Female Reproductive System Channel answers your questions about parts of the female anatomy and how they function. Learn how the different parts of the female reproductive system work in this section.

Featured
Uterus

What is the definition of uterus? Learn about the anatomy and physiology of the uterus as part of the female reproductive system.


Century-old Procedure Treats Infertility by Flushing Fallopian Tubes With Oil

Using contrast dye dissolved in poppy-seed oil could be a cost-efficient alternative to treatments like IVF, new research confirms.

4 Reasons Why Menstrual Cups Aren't More Popular

Menstrual cups still don’t get much love from many American women. Why's that?

Migraine May Be Linked to Faster Estrogen Drops During Menstrual Cycle

A new study finds that estrogen withdrawal due to plummeting hormone levels might make women with migraine more susceptible to an attack.

Space Menstruation Deserves Further Study

Say you're a female astronaut chosen for a three-year mission. That's 1,100 combined oral contraceptive pills you need to pack to stop your period. Is there a better way?

Lena Dunham Got Us Thinking About Ovarian Cysts

'Girls' creator was recently hospitalized with a ruptured ovarian cyst. What causes them?

Can antibiotics affect menstruation?

"Misbehaving periods" doesn't appear on any list of medication side effects, but as many women can attest, menstrual irregularities aren't uncommon when you're taking antibiotics. The culprit may not be the drugs.

Why are breasts different sizes?

During puberty, breasts don't always receive identical amounts of the hormone that makes them grow. Why does this happen, and how common is perfect symmetry anyway?

How Vaginas Work

Why are vaginas so taboo? Researchers have shunned them for decades, which means we know much less about the female anatomy in comparison to the male counterparts. Does out of sight really mean out of mind? Not here, as we explore how vaginas work.

Are hormones in food causing early menstruation?

The use of hormones in food is a highly debated issue and raises concerns as to possible health risks, especially in children. Learn if hormones in food are causing early menstruation in this article.

10 Things Men Should Know About Female Hormones

Think you know everything about women's hormones just because you know to bring home chocolate during her time of the month? Think again. Check out our list of things that men should know about women's hormones.