What is the prenatal period?
The term prenatal period concerns time in pregnancy between conception and birth. The prenatal period lasts 40 weeks, which is about nine months. The prenatal period is divided into three trimesters, each trimester lasting approximately three months. During this time, the embryo develops into the fetus and then on a viable human child. During the prenatal period, there are many changes in the mother and the child, including weight gain in physical and hormonal changes in each of them.
During the first trimester of the prenatal period, a woman undergoes many physical and emotional changes. This period generally begins with a missed period, leading to a positive pregnancy test. During the first trimester, the doctor determines the maturity date for the child and may ultrasound to ensure the proper development of the fetus. Soon, the mother might have experienced morning illness and desire for eating during the first trimester. Hormonal changes can cause the mood of Changes, such as the easily crying or extreme euphoria.
fetal development during pThe trimester is remarkable. The concept occurs when a sperm cell and egg cells are connected. These cells grow and multiply extremely during the first few weeks of the prenatal period. At the end of the first trimester, key organs began to evolve, including brain, heart and lungs.
The second part of the prenatal period is referred to as the second trimester. The risk of abortion is significantly reduced at this point and the unpleasant symptoms of morning disease generally disappear. At this point, the new mother may experience the urge to urinate more often due to pressure caused by a growing fruit. Pregnancy tends to be noticeable at this point for others and maternal clothing is now usually necessary. All important organs have already formed in the fetus and focus on further growth and development of these vital body systems in this trimester.
The last phase of the prenatal period is the third trimester. A new mother may begin to feel anxiety about the flavorDu of a child or imminent process of work. The baptisms of the legs and mild contractions are common at the moment. Heart and back pain may also be present. At this stage of pregnancy, the doctor begins to discuss the possibilities of childbirth with the new mother.
fetal body systems continue to ripen in the third trimester. At this point, early work is possible and the chance of survival of infants is high. During this time, the development of the lungs increases dramatically and most of the hair has disappeared.