Could you be pregnant? Most likely you won't notice any symptoms until about the time you've missed a period — or a week or two later. If you're not keeping track of your menstrual cycle or if it varies widely from one month to the next, you may not be sure when to expect your period. But if you start to experience some of the symptoms below — not all women get them all — and you haven't had a period for a while, you may very well be pregnant. Take a home pregnancy test to find out for sure! 10. Tender, swollen breasts One of the early signs of pregnancy is sensitive, sore breasts caused by increasing levels of hormones. The soreness may feel like an exaggerated version of how your breasts feel before your period. Your discomfort should diminish significantly after the first trimester, as your body adjusts to the hormonal changes. 9. Fatigue Feeling tired all of a sudden? No, make that exhausted. No one knows for sure what causes early pregnancy fatigue, but ...