Pregnancy Weeks 0-12 - Page 3
Your body may not be showing much on the outside in these first weeks, but many changes are occurring within your body during the first trimester. You may experience some symptoms and discomforts as your body responds to pregnancy. Some women have many discomforts, while others experience only a few or none at all. The following are some of the changes and symptoms you may experience during the first trimester:
- Your breasts may swell and become tender as the mammary glands enlarge to prepare for breastfeeding. This is due to an increased amount of the hormones estrogen and progesterone. Wearing a supportive bra is helpful.
- Your areolas (the pigmented areas around each breast's nipple) will enlarge, darken, and may become covered with small, white bumps called Montgomery's tubercles (enlarged sweat glands).
- Veins may become more noticeable on the surface of your breasts.
- You may begin to feel pressure on your bladder from the growing uterus and the urge to urinate more frequently.
- Partly due to surges in hormones, you may experience mood swings similar to premenstrual syndrome (a condition experienced by some women that is characterized by mood swings, irritability, and other physical symptoms that occur shortly before each menstrual period).
- You may experience nausea and even have some vomiting, often called "morning sickness." This may be caused by increased hormone levels of pregnancy. Morning sickness usually resolves by the end of the first trimester.
- Hormonal changes may also be the cause of headaches during pregnancy, especially during the first trimester. Try increasing your rest, eating properly, and taking in adequate fluids to help relieve headache symptoms. Be sure to consult your health care provider before taking any medication.
- You may feel tired and want to sleep more than usual as your body works overtime to provide a nourishing environment for your unborn baby. In the first trimester, your blood volume and other fluids increase as your body adjusts to the pregnancy. Sometimes, anemia is the underlying cause of the fatigue. Anemia is a reduction in the oxygen carried through the bloodstream by red blood cells. A simple blood test performed at your first prenatal visit will check for anemia.
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