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3. Darkening areolas: In very early pregnancy -- around the time of your expected period -- you may notice that your areola (the darker area that rings the nipple) begin to darken and increase in diameter. It is believed that the darker color of the areola helps the newborn to find the nipple for breastfeeding. You may also notice that the veins in your breasts become more visible and that Montgomery's tubercles, the tiny "bumps" that are scattered around the areola, enlarge and may increase in number, averaging between 4 and 28 per areola.
4. Extreme fatigue: If you are pregnant, a very common symptom in the first eight to ten weeks is exhaustion. When you are pregnant, your body is going through significant metabolic changes. Your entire body needs to adjust to the new process of growing a baby. For most women, the fatigue starts to go away by the 12th week of pregnancy.
5. Nausea and vomiting: If you are pregnant you may find quite early on -- as early as a week after conception -- that you are experiencing morning sickness. And you may also find that morning sickness is a misnomer. Nausea can occur anytime -- day or night.
6. Frequent urination: By the time your period is one to two weeks late you may find that you are peeing more frequently than usual. This is because the baby growing in your uterus is putting pressure on your bladder.
7. Constipation: You may notice a change in your bowels in early pregnancy. The extra hormones produced during pregnancy cause the intestines to relax and become less efficient.