Increased sexual desire on or before your menstrual cycle is pretty common.

So we asked women’s health experts to explain exactly why it happens.

People may feel horny before their period because of theirhormonal cycle.

Abby Moore

Our hormone levels fluctuate depending on the phase of ourmenstrual cycle.

The hormones testosterone and estrogen arelinked with sexual desire.

Estrogen will begin to peak during ovulation, says reproductive endocrinologistSheeva Talebian, M.D., and testosterone also surges.

Heather Irobunda, M.D.

“During this time, I feel sexy,” she says.

“Desire is multifactorial,” OB/GYN and integrative women’s health expertSuzanne Gilberg-Lenz, M.D., tells mbg.

Summary

Some people also feel particularly horny during their period.

That may be because of the increase in blood flow to the pelvic and genital regions, says Gilberg-Lenz.

There may also be psychological reasons behind a higher libido during your period.

Evolution might also have a role to play here, OB-GYNHeather Irobunda, M.D., tells mbg.

It may be a cue for her to have more sex to take a stab at get pregnant.

It is interesting how the body works!

How can birth control affect this?

Is the horniness only because of hormones?

“We are way more than that.”

Sexual attraction and desire are totally normal, regardless of hormones.

(Here: a few ways toincrease sexual desire.)

Is this when you’re most likely to get pregnant?

During the ovulation phase, eggs are released.

In other words: More sex equals a higher chance of getting pregnant.

This is why it’s important to use protection if you’re not trying to get pregnantperiod or not.

If you’re feeling extrahornyright before or during your period, that’s completely normal.

Whatever the reason, increased sexual desire at any point during yourmenstrual cycleis pretty common.