Pregnancy
Pregnancy occurs when a woman fertilizes the fertilized female egg during the ovulation cycle within the monthly menstrual cycle by vaccinating sperm. The fertilization occurs by combining both male and female parenchyma, forming together a fertilized egg that divides and develops several equal divisions, producing cellular blocks from which the fetus’s life begins. The mass through other new divisions, to be the entire human body with all its specialized organs that develop and differentiate during the nine-month gestation to emerge a full-fledged child.
Pregnancy in the second month
The second month is within the first trimester and extends from the fifth week to the end of the eighth week. The mother often learns to carry it at the beginning of the month. The absence of the menstrual cycle indicates that the pregnancy occurs by default. The mother resorts to confirming her doubts by performing the required medical and laboratory tests. Or deny the occurrence of pregnancy, and in the meantime show more signs of pregnancy resulting from the increased secretion of some sex hormones that cause changes in the uterine environment; to allow the egg to pass through the fallopian tube towards the uterus, and then divide several Nksamat as it passed through the canal, and be known as embryo, which settles in the lining of the uterus, and begins implantation stage.
Pregnancy and fetal developments in the second month
The embryo begins to form and develop in a clear and fast manner, where the length of the end of the second month to about two and a half centimeters, while weighing about 30 grams, and form the lungs, heart, stomach, intestines, genitals, limbs, eyelids and other organs in general, and at the end of this month the shape of the fetus In the form of a very small human being.
Fetus in the fifth week
The fifth week of pregnancy appears to be characteristic of the mother. She is either familiar with her pregnancy, or still has doubts about the nature of the symptoms and the changes she is experiencing. Generally, her fetus continues to grow at this stage. The fetus is about four millimeters long Six millimeters, and the growth of the head quickly for the rest of the body; because of the growth of the brain, which in turn regulates the biological processes, and start to form the limbs are upper in the form of the paddle, and the lower limbs in the form of fins, Nervous B_ekl group of cells on the cavity extends on the wall of the embryo, so the tube hollow called neural tube, which will represent the spinal cord later, and formed blood vessels within the embryo as a prelude to the formation of cord later, begins this week also the evolution and growth of the heart, kidneys and liver.
Fetus in the sixth week
The internal organs continue to grow this week from the brain, liver, nervous system and spinal cord. The ear cavity appears with the inner ear growth. The facial features begin to form from the eyes, nose, jaw, cheeks and chin, and the fingers begin to form. The body of four chambers to begin pumping blood to the body of the fetus, and it is imperative for the mother to ensure that the emergence of the pulse of the fetus in the doctor using an ultrasound device, this week is the most suitable for the examination of his heart and Del pulses, and the length of the fetus in the sixth week between nine millimeters to the borders of twelve millimeters, and in the end of this week, the fetus begins movement, and be this movement light does not feel the mother, and continue the feeling of nausea and dizziness associated with the pain of the head and chest.
Fetus in the seventh week
All organs of the fetus’s body continue to grow and develop. The nails begin to form, as does the lens of the eyes, and the appearance of the shoulders, knees and ankles is proportional to the size of the fetus. The length of the fetus is 13 millimeters and the movement increases significantly this week. But it is still below the level of the sense of the mother and sensing it as an effect, and regulates the work of the heart pumping blood to the body to circulate the circulatory system of the fetus’s body and to him clearly and well, and then start The physiological functions of the organs, such as kidneys, liver and brain, develop. At this stage, the kidneys take their proper place in the body of the fetus. The hormones control the mother’s body as a result of the changes accompanying the development of the fetus and the formation of the uterus, which affects the mother’s psyche and emotions. .
Fetus in the eighth week
The appearance of the fetus in the eighth week of pregnancy is characterized by limb and height. The human image of the small embryo is completed to be between 11 mm and 14 mm long, and the outer eye and eyelids begin to appear, the mouth opening and the nostrils open, and the jaw bones are joined. The development of the nervous system and spinal cord, as well as the development of organs and internal organs such as stomach, intestines and liver, in addition to creating the umbilical cord that connects the fetus and uterine placenta, the brain is growing rapidly The fetal heartbeat reaches 150 beats per minute. It is noticeable in pregnant women that the feeling of morning sickness is associated with physiological changes, as well as the increased feeling of esophageal reflux or the so-called burn Mood swings, some gases and frequent urination.