Some folks even say that sex can delay your period — but does intercourse actually have any effect on your menstrual cycle? Sex can do a lot of awesome things: It can boost your immune system, improve bladder control, lower blood pressure, lower heart attack risks, relieve stress, and even improve sleep. But can sex delay your period? The answer is no. Rashid Bani.

Skip navigation! Story from Body. Periods may be annoying, but at least they're predictable — sort of. If yours is a little delayed this cycle, and you're not trying to get pregnant right now, your first instinct is probably to freak out a bit. But don't.

Most of us have thought it before: Why is my period late? Late periods are the worst! Having to constantly worry about when it will come, and if your bedsheets and underwear will get stained , is a huge bummer.

We may hate having Aunt Flo visit for a few days but what we hate even more, the anticipation of a delayed visit from her. Your period is late, but you haven't had sex so where the hell is it? Even worse, you're on the pill so you know exactly when it should be coming, and it still doesn't come. Of course the first thought to pop into any woman's head is Am i pregnant? We should spend less time worrying about how late we might be, and more time focusing on our bodies since that is what dictates when our flow comes.