Third Trimester -what to expect
What to expect during the third trimester:
The third trimester marks the home stretch, as the mother-to-be prepares for the delivery of her baby. The baby is continuing to grow in weight and size and the body systems finish maturing. The mother may feel more uncomfortable now as she continues to gain weight and begins to have false labor contractions (called Braxton-Hicks contractions).
During the third trimester, it is a good idea to start taking childbirth classes in preparation for the big day - especially in the case of first pregnancies. If you plan to breastfeed, taking a breastfeeding class may be helpful.
During the third trimester, both the mother's body and baby continue to grow and change.
Fetal development during the third trimester:
During the third trimester, the baby continues to grow in size and weight. The lungs are still maturing and the baby begins to position itself head-down. By the end of the third trimester, the baby is about 48 to 53cm long and weighs, on average 2.7 to 4kg’s.
Baby development during the third trimester includes:
• The baby can see and hear.
• The brain continues to develop.
• The kidneys and lungs continue to mature.
• By the 36th week, the head may "engage" (drop into the pelvic area) - a process called "lightening."
• The bones of the skull remain soft to make it easier to pass through the birth canal.
• For many babies, the irises of the eyes are slate blue. The permanent eye color will not appear until several days or weeks after birth.
• The baby can suck its thumb and has the ability to cry.
• By 38 to 40 weeks, the baby' lanugo has disappeared almost completely.
• By 38 to 40 weeks, the lungs have matured completely.
• The baby is covered in vernix caseosa (or simply called vernix), a creamy, protective coating on the skin.
• The head will usually turn downward during the last couple of weeks of pregnancy.
Changes in the mother's body:
In the third trimester, some women become increasingly uncomfortable as their due date nears. As the baby grows in size and crowds the abdominal cavity, some mothers-to-be have difficulty taking deep breaths or getting comfortable at night for sleep, while others are free from any discomfort as they anxiously await the arrival of their new son or daughter.
The following is a list of changes and symptoms that a woman may experience during the third trimester and includes:
• Increased skin temperature as the baby radiates body heat, causing the mother to feel hot.
• The increased urinary frequency returns due to increased pressure being placed on the bladder.
• Blood pressure may decrease as the baby presses on the main vein that returns blood to the heart.
• Swelling of the ankles, hands, and face may occur (called edema), as the mother continues to retain fluids.
• Hair may begin to grow on a woman's arms, legs, and face due to increase hormone stimulation of hair follicles. Hair may also feel coarser.
• Leg cramps may become more frequent.
• Braxton-Hicks contractions (false labor) may begin to occur at irregular intervals in preparation for childbirth.
• Stretch marks may appear on the abdomen, breast, thighs, and buttocks.
• Colostrum (a fluid in the breasts that nourishes the baby until the breast milk becomes available) may begin to leak from the nipples.
• Dry, itchy skin may persist, particularly on the abdomen, as the skin continues to grow and stretch.
• A woman's libido (sexual drive) may decrease.
• Skin pigmentation may become more apparent, especially dark patches of skin on the face.
• Constipation, heartburn, and indigestion may continue.
• Increased white-colored vaginal discharge (leukorrhea) which may contain more mucus.
• Backaches may persist and increase in intensity.
• Hemorrhoids may persist and increase in severity.
• Varicose veins in the legs may persist and increase in severity.
General information only, please consult your Doctor for advice or if you have any issues.
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Third Trimester -what to expect
23-04-2008, 06:33 PM
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