Guide to Being One Week Pregnant

What's Going On in Your Body

At week one, there has been no meeting between sperm and egg. Your body is not pregnant. It is, however, preparing to be pregnant, should a sperm come along to do the deed.

Here's what's happening during your regular, monthly menstrual period: The old uterine lining from the previous month is sloughing off, setting the stage for a fresh new shot at growing an actual baby in there. At the same time, an egg is getting into position, waiting to be released into a fallopian tube where it will, perhaps, meet a sperm and be fertilized. (This is most likely to happen about two weeks after the start of your period; that's when you're most fertile.)

Fertilization is a two-person job, of course, and your partner might want to be aware of a few things, too …