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Pregnancy at 27 to 30 Weeks
What changes are happening to your body:
You may notice new symptoms such as shortness of breath, heartburn, or swelling of your ankles and feet. You may also have trouble sleeping or contractions.
Seek care immediately if:
- You develop a severe headache that does not go away.
- You have new or increased vision changes, such as blurred or spotted vision.
- You have new or increased swelling in your face or hands.
- You have vaginal spotting or bleeding.
- Your water broke or you feel warm water gushing or trickling from your vagina.
Call your doctor or obstetrician if:
- You have more than 5 contractions in 1 hour.
- You notice any changes in your baby's movements.
- You have abdominal cramps, pressure, or tightening.
- You have a change in vaginal discharge.
- You have chills or a fever.
- You have vaginal itching, burning, or pain.
- You have yellow, green, white, or foul-smelling vaginal discharge.
- You have pain or burning when you urinate, less urine than usual, or pink or bloody urine.
- You have questions or concerns about your condition or care.
How to care for yourself at this stage of your pregnancy:
- Eat a variety of healthy foods. Healthy foods include fruits, vegetables, whole-grain breads, low-fat dairy foods, beans, lean meats, and fish. Drink liquids as directed. Ask how much liquid to drink each day and which liquids are best for you. Limit caffeine to less than 200 milligrams each day. Limit your intake of fish to 2 servings each week. Choose fish low in mercury such as canned light tuna, shrimp, salmon, cod, or tilapia. Do not eat fish high in mercury such as swordfish, tilefish, king mackerel, and shark.
- Manage heartburn by eating 4 or 5 small meals each day instead of large meals. Avoid spicy food.
- Manage swelling by lying down and putting your feet up.
- Take prenatal vitamins as directed. Your need for certain vitamins and minerals, such as folic acid, increases during pregnancy. Prenatal vitamins provide some of the extra vitamins and minerals you need. Prenatal vitamins may also help to decrease the risk of certain birth defects.
- Talk to your healthcare provider about exercise. Moderate exercise can help you stay fit. Your healthcare provider will help you plan an exercise program that is safe for you during pregnancy.
- Do not smoke. Smoking increases your risk of a miscarriage and other health problems during your pregnancy. Smoking can cause your baby to be born too early or weigh less at birth. Ask your healthcare provider for information if you need help quitting.
- Do not drink alcohol. Alcohol passes from your body to your baby through the placenta. It can affect your baby's brain development and cause fetal alcohol syndrome (FAS). FAS is a group of conditions that causes mental, behavior, and growth problems.
- Talk to your healthcare provider before you take any medicines. Many medicines may harm your baby if you take them when you are pregnant. Do not take any medicines, vitamins, herbs, or supplements without first talking to your healthcare provider. Never use illegal or street drugs (such as marijuana or cocaine) while you are pregnant.
Safety tips during pregnancy:
- Avoid hot tubs and saunas. Do not use a hot tub or sauna while you are pregnant, especially during your first trimester. Hot tubs and saunas may raise your baby's temperature and increase the risk of birth defects.
- Avoid toxoplasmosis. This is an infection caused by eating raw meat or being around infected cat feces. It can cause birth defects, miscarriages, and other problems. Wash your hands after you touch raw meat. Make sure any meat is well-cooked before you eat it. Avoid raw eggs and unpasteurized milk. Use gloves or ask someone else to clean your cat's litter box while you are pregnant.
Changes that are happening with your baby:
By 30 weeks, your baby may weigh more than 3 pounds. Your baby may be about 11 inches long from the top of the head to the rump (baby's bottom). Your baby's eyes open and close now. Your baby's kicks and movements are more forceful at this time.
What you need to know about prenatal care:
Your healthcare provider will check your blood pressure and weight. You may also need the following:
- Blood tests may be done to check for anemia or blood type.
- A urine test may also be done to check for sugar and protein. These can be signs of gestational diabetes or infection. Protein in your urine may also be a sign of preeclampsia. Preeclampsia is a condition that can develop during week 20 or later of your pregnancy. It causes high blood pressure, and it can cause problems with your kidneys and other organs.
- A Tdap vaccine and flu vaccine may be recommended by your healthcare provider.
- A gestational diabetes screen will be done using an oral glucose tolerance test (OGTT). An OGTT starts with a blood sugar level check after you have not eaten for 8 hours. You are then given a glucose drink. Your blood sugar level is checked after 1 hour, 2 hours, and sometimes 3 hours. Healthcare providers look at how much your blood sugar level increases from the first check.
- Fundal height is a measurement of your uterus to check your baby's growth. This number is usually the same as the number of weeks that you have been pregnant. Your healthcare provider may also check your baby's position.
- Your baby's heart rate will be checked.
Follow up with your doctor or obstetrician as directed:
Write down your questions so you remember to ask them during your visits.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.
Learn more about Pregnancy at 27 to 30 Weeks (Ambulatory Care)
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