Pregnancy twins
The development of twins in the mother’s womb simulates the growth and development of a single child. The pregnant woman may suffer twins from doubling the symptoms of pregnancy and feeling earlier than the normal pregnancy. The pregnancy occurs in twins if fertilized two eggs together or one egg is automatically split. The difference here occurs between twin matched, And mismatch. During the first few weeks of pregnancy, the pregnant woman will not discover that she will give birth to a baby even if she has symptoms such as nausea, fatigue and fatigue, except when ultrasound is only a sonar.
Twin growth stages in weeks
The pregnancy lasts forty weeks, or two hundred and eighty days. In fact, the woman is not pregnant for the first two weeks because the ovum has not yet been fertilized. The following are the twin stages of development from the fourth to the fortieth week.
- Week 4 – Eighth week: Small embryos begin to grow and become about one inch long and weigh less than one ounce. The brain, bladder, kidneys, liver, reproductive system, spine, arms, and legs begin to form. Sonar device.
- Week 9 – Twelfth week: Embryos grow at a remarkable speed during this period. They are four times as long as they are in the first weeks of pregnancy. The teeth begin to form in addition to nails, toes, hands, genitals, and eyelids.
- Week 13 – Week 16: During this period of pregnancy, fetal growth continues at a rapid pace, weighing up to six inches. The kidneys and bladder begin to function during this period. The fluid in the abdomen can be monitored through the sonar. The fluid surrounding it, and get rid of it by urination, and start embryos movement, and often not felt by the mother yet, and changes that appear on the mother in this period the emergence of the abdomen because the pelvis is expanding faster than pregnancy with one fetus.
- Week 17 – Twentieth week: The length of the embryos is about eight inches at the end of the twentieth week, and can be distinguished all the members, in this period begin embryos to hear for the first time, and many believe that at this stage the fetus sensation of his twin brother, This period also.
- Week 21 – Twenty-fourth week: The weight of the embryos is larger, their body covers the soft hair, and the skin is protected by a layer of fat, and at this stage begin to taste buds formation, and continue to develop lungs, facial features are complete, and the brain continues to grow very quickly.
- Week 25 – Week 28: If premature delivery occurs during this period, the survival rate of the fetus is high.
- Week 19 until the 32nd week: Embryos continue to grow significantly, and the amount of fat gained at this stage is more; because fat will help them regulate body temperature after birth, and the skeleton is complete.
- Week 33 – 40 weeks: During this period, the fetus is ready at any time of delivery. The pregnancy period is extended to the twins for 38 weeks and the mother rarely completes the fortieth week.