Periods
Can stress affect teen periods: what we learned from 6,486 teens
What 6,486 teens taught us about stress and periods, from cramps to heavy bleeding and shorter cycles.
Periods
Periods
How weight and BMI affect your menstrual cycle
Find out how your weight and BMI influence your menstrual cycle. Learn the science behind it and what to track.
Periods
Skipping your period using birth control pills
You don't have to take the placebo pills. Research suggests that it’s safe to skip them to extend your cycle.
Periods
Blood clots during your period: what are they?
Menstrual blood clots are normal on the heaviest days of your period
Periods
What’s “normal”?: menstrual cycle length and variation
The menstrual cycle is more than just your period—it’s the rhythmic changes of the your reproductive system.
Periods
The myth of moon phases and menstruation
Periods do not sync with the moon: Here’s the science
Periods
How to deal with your period at night
How do you manage your menstruation at night-time? Our readers share their tips.
Periods
How travel and jet lag can affect your period
Traveling across time zones can throw your hormones — and your menstrual cycle — out-of-whack.
Periods
Can stress affect teen periods: what we learned from 6,486 teens
What 6,486 teens taught us about stress and periods, from cramps to heavy bleeding and shorter cycles.
Periods
How weight and BMI affect your menstrual cycle
Find out how your weight and BMI influence your menstrual cycle. Learn the science behind it and what to track.
Periods
Skipping your period using birth control pills
You don't have to take the placebo pills. Research suggests that it’s safe to skip them to extend your cycle.
Periods
Blood clots during your period: what are they?
Menstrual blood clots are normal on the heaviest days of your period
Periods
What’s “normal”?: menstrual cycle length and variation
The menstrual cycle is more than just your period—it’s the rhythmic changes of the your reproductive system.
Periods
The myth of moon phases and menstruation
Periods do not sync with the moon: Here’s the science
Periods
How to deal with your period at night
How do you manage your menstruation at night-time? Our readers share their tips.
Periods
How travel and jet lag can affect your period
Traveling across time zones can throw your hormones — and your menstrual cycle — out-of-whack.