hormones

Choosing a pregnancy test can be pretty overwhelming. This article is designed to give you a general overview of pregnancy tests. It will discuss what a pregnancy test does, the difference between a urine test and a blood test, how to choose a pregnancy test, when and how to use pregnancy tests, and finally what to do after a pregnancy test.

It feels good. The species would have a little trouble propagating if we didn't enjoy mating. By nature, sexual pleasure is the incentive that encourages us to make more of ourselves. That's quite good for the species -- so much so that I think humans may have done too good a job of it. But...

Mood changes are certainly one common side effect of the pill, and they're worse for some people than for others (and younger people can get hit particularly hard with those effects). I hear you on how you're feeling: way back when I was on the pill, and I was one of those who got whacked really...

You're considering a method or practice of pregnancy prevention, and want need to decide if you want to use a hormonal or nonhormonal method.

I'm afraid that there isn't a whole lot I can do for you, Guyman. You're right: it is totally normal right now for you to feel strong sexual desires, and to get pretty excited when you're around people that you're attracted to. It's also certainly more profound because of your age. It does settle...

The dosing mostly matters depending on your body composition. Estrogen is a fat-soluble hormone. Therefore if you have a significant amount and proportion of body fat, some of that estrogen will dissolve into the fatty tissue and not make it to its receptor sites in your sex organs. If you have more...

Stopping and starting the pill (especially if you stopped in the middle of a cycle) can really do a number on your body. Remember that when you're on the pill (or any form of hormonal birth control for that matter) adds extra hormones into your system and essentially changes the way it is...

Bodies can do some pretty weird things sometimes. The unexpected can happen for reasons that not be apparent to us, even if everything has worked like clockwork in the past. There are lots of things that can cause a period to be late or to skip once in a while. Obviously, if you were pregnant you...

In truth, it takes a more than one sperm to fertilize an egg. Only the one does the fertilizing, but that one sperm needs a couple hundred "helper" sperm to do the job. That isn't to say pre-ejaculate cannot cause pregnancy. From all we know practically and scientifically, on some occasions when pre...