Fetal Development Week 13
Retina, cornea, iris (iris), and the lens of the eye has been able to function. Fetus wink and sensitive to light. Fetal growth was supported by the placenta, which connects between the mother and the fetus in terms of food, removal of metabolic waste, as well as filter out harmful substances. Skin, muscles and limbs have been formed and are in position.
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This week, the fetus has been able to feel the mother's heartbeat. Baby is about 7.5 cm to the trachea, lungs, stomach, liver, pancreas, and intestines progressed to the last function. The vocal cords begin to form, and tooth buds appear with 20 baby teeth. this week the fingers and feet began to appear.
Fetal Development Week 14
Ear normal fetal position on the left and right sides of the head. Similarly, the eye is led into the actual position. Continues elongated neck while no longer chin fused to her chest. While genitals outside also growing more real, so this week the baby's sex organs can differentiate between men and women.
Strong beating fetal heart rate (heart rate is almost two times faster than you) and you can listen to it when checking with your doctor. because it responds to the world outside the womb, the fetus may be moving when you rubbing the stomach, but maybe you still can not feel it.
Fetal Development Week 15
Babies have started to listen to his mother, listening to the heartbeat, the sound of the abdomen, as well as your voice. Now the baby has started to have hair on his head, also eyelashes and eyebrows. size is now approximately 114 grams with a length of about 15 cm.
Pregnancy increasingly visible, up for the convenience of the mother and fetus, you are strongly encouraged to start wearing maternity clothes. Therefore, the skin and the muscles, especially around the stomach will be stretched because of an incredible stretch to accommodate the enlarging uterus. The lines of strain called striae generally appear in the abdomen, breasts, buttocks and pelvis.
Fetal Development Week 16
The length of the fetus to grow very quickly and more powerful movements. Mothers may feel the movements of the fetus by palpating the abdomen. Fine hair grows all over the surface of the body of the fetus, called lanugo. The placenta is formed and functioning fully. The length of time the fetus is 16 cm and weighs 135 grams. If an ultrasound today maybe you can find out the sex. fetus muscles grow and become stronger. His movements became more active. He has started to suck his thumb, yawn, stretch the body, had swallowed pee, and hiccups. In this week when a bright light is put in your stomach, the baby will move his hand toward his eyes. Fetal digestive system began to function. Within 24 hours of the fetus swallows amniotic fluid of about 450-500 ml. Liver function form the blood, hemoglobin and bilirubin metabolism, and then turn it into biliverdin channeled into the intestines as a metabolic waste.
