We will discuss prenatal, infant, child, adolescent, and adult development. By the end of the third month, your baby is fully formed. The baby no longer needs a direct life support system as he or she can now breathe air and take milk. Infants who arrive 2 or more weeks after their due date are postmature. By the seventh week the baby has individual fingerprints; no two sets of fingerprints are ever the same. Eyes and ears By six weeks the eyes which appeared in simple form in the first month develop lens and retina; the eyelids start to take shape.
The baby's skin is covered with a whitish coating called vernix caseosa. Most internal systems are well developed, but the lungs may still be immature. How do you think these reflexes promote survival in the first months of life? Bones harden, but the skull remains soft and flexible to make delivery easier. They may be advised, for example, to take a vitamin containing folic acid, which helps prevent certain birth defects, or to monitor aspects of their diet or exercise routines. Advances in technology over the last 50 years mean that we now know radically more about life before birth than any previous generation. This cannot be done overnight and it would be advisable to lose weight gradually over a year's time.
Although swollen veins in this area can be uncomfortable, they tend to go away after delivery, Trout said. At about 16 weeks, the fetus is approximately 4. The genetic makeup and sex of the baby are set at this point. Being a parent is something that one learns on the job and one may not get things right always. However, the disorder hyperthyroidism, in which the thyroid gland malfunctions and is overactive, develops in fewer than 0. Now blood vessels grow, forming the placenta.
Alcohol is not safe to drink in any amount during pregnancy. She may breathe faster also because the enlarging uterus limits how much the lungs can expand when she breathes in. You may also find that your gums bleed more easily, thanks to pregnancy hormones. Tiny buds that eventually grow into arms and legs are forming. As a result, edema is common, especially in the legs.
If you feel down for longer than seven days and things that used to give you joy no longer do, you may have perinatal depression. The egg can be fertilized for 12 to 24 hours after it's released as it travels down the fallopian tube toward the uterus. If more than one egg is released and fertilized, the pregnancy involves more than one fetus, usually two twins. A chromosome from the father's sperm determines whether the child is male or female. Month 7 Your baby will continue to mature and develop reserves of body fat. Your child can now see, hear and taste, and the brain and nervous system are growing rapidly. During this time, vital organs develop, which will include the spine, heart, digestive tract, and arm and leg buds.
As cardiac output increases, the heart rate at rest speeds up from a normal prepregnancy rate of about 70 beats per minute to 80 or 90 beats per minute. Try It Infancy The average newborn weighs approximately 7. Many parts of the body will work harder during pregnancy, including a woman's heart. Your baby can open and close its fists and mouth. The social effects of pregnancy are multiple and involve the new mother trying to balance her role as partner, friend, parent and co-worker.
This fluid, which is rich in minerals and antibodies, is the breastfed baby's first food. American College of Obstetricians and Gynecologists. During the last weeks of pregnancy, the breasts may produce a thin, yellowish or milky discharge colostrum. If the egg receives an X chromosome, the baby will be a girl; a Y chromosome means the baby will be a boy. Please consult your healthcare provider for advice about a specific medical condition. The higher blood volume of pregnancy can lead to congestion and runny noses. If a Y sperm fertilizes the egg, your baby will be a boy; if an X sperm fertilizes the egg, your baby will be a girl.
A pregnant woman's digestive system may slow down to increase the absorption of beneficial nutrients. It is at this point in prenatal development that the neural tube develops into the brain and spinal cord and continue to form. Despite its name, morning sickness can occur any time of day. A blueprint is inert and cannot carry out instructions, but the embryo is active and begins work at once. Brain cells which are essential for consciousness in the adult are known to be present in the foetus by 10 weeks.
You may notice that your baby is kicking more. This can lead to achiness and even pain, particularly in the lower abdomen. For instance, newborn babies can distinguish the smell of their own mother from that of others. After the first trimester, a miscarriage is much less likely. The fifth month and beyond After 20 weeks the baby is 190mm from crown to rump and weighs 460g.
Clothing that is loose around the waist and legs is more comfortable and does not restrict blood flow. Month 2 Your baby's facial features continue to develop. She explained that women are more susceptible to infections during pregnancy because the immune system tamps down. According to the Cleveland Clinic, it takes about three to four days for the fertilized egg or embryo to move to the lining of the uterus, where it attaches or. But other symptoms may crop up as the fetus continues its growth and development. This stage is characterized by the formation of most internal organs and external body structures. The first trimester is also the period when most and birth defects occur.