Science Writers at Clue

A photo of Science Writers at Clue
Science Team

This article was a collaborative effort by members of Clue’s science and content teams and was produced using leading sources in American contemporary midwifery practice.

A balance scale with drops of blood dripping into each plate.a

What’s “normal”?: period volume and heaviness

Different birth control methods may affect the heaviness of your period


What’s “normal”?: period length

A typical period length for someone who’s not using hormonal birth control or an IUD is 8 days or less

Thermometers with different temperatures, on orange background

Basal Body Temperature (BBT): how is it used to estimate ovulation?

Your reproductive hormones have a measurable impact on your temperature.

Diet & Exercise

Go with the flow: yoga for PMS relief

Yoga may help to ease your cramps in a few different ways.

Illustration of an uterus with fibroids

Uterine fibroids: a common reason for irregular bleeding and pain

Fibroids are abnormal growths of muscle tissue that form in or on the walls of the uterus.