Your pregnancy is divided into three trimesters. The first trimester is 12 weeks from the first day of your last menstrual period. For most mothers, this is the season of exciting, thrilling, once full of curiosity. So many changes in yourself since conception: fetus is growing rapidly and your body also began to adjust to the pregnancy. We describe the amazing developments that occurred in the first trimester of your pregnancy.
Development of fetus
Fertilization: About two weeks after the first day of your menstrual period, your body will release a mature egg that is ready to be fertilized. After konsepi, every egg has had 46 chromosomes needed to determine height, hair color, and sex. Mature egg will divide and begin its journey down from the fallopian tube to the uterus.
Implantation: Only in 5 to 7 days after conception, the fertilized egg will attach to the uterine wall. The egg will continue to grow and divide. The placenta and umbilical cord begin to form for duty distribute oxygen and nutrients to the baby.
Week 4: Two weeks have passed after conception, and you have your periods are late, so you buy a pregnancy test to find out if you really are pregnant. At this time, the embryo has a spinal network consisting of three layers that will later form the various organs of the baby's body.
Week 6: Now that you know for sure your pregnancy and were in the examining room gynecologist. You can already hear the heartbeat via Doppler and could see it pounding through ultrasound. Limbs began to take shape although it still looks like a branch.
Month Two: In the second month, a very rapid growth of the embryo. When approaching the end of the second month, all vital organs and nervous system of the body has grown, and at the end of the second month, the baby will look like a mini baby in the womb when you do an ultrasound. Your baby now has a length of more than 2.5cm.
Month Three: Now your baby has officially called a fetus and at the end of the third month will form all the organs and tissues of the adult human should. The fetus will begin to move his hands and legs, opening and closing his mouth. But the movement is too subtle and too small to feel. When you check the ultrasound, you will be able to distinguish where the thumb and other fingers. Her hair also begins to grow. The baby has now grown to 10cm long and weighs about 100 g.
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