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Sunday, April 18, 2010

Fetal development - 4 weeks pregnant

arini kumpa doc. and i got pregnant


amniotic sac
yolk sacembryo

The ball of cells - now called an embryo - growing inside your uterus is the size of a small kuaci. It's divided into three layers that will later form organs and tissues. Low on the sides of the head are two folds of tissue that will become the ears.

The neural tube - from which the brain, backbone, and spinal cord and nerves will sprout - develops in the top layer. The heart and the circulatory system begin to appear in the middle layer. The third layer starts to house the lungs, intestines, and beginnings of the urinary system. In the meantime, the early version of the placenta, the chorionic villi and the umbilical cord, which delivers nourishment and oxygen to your baby, are already working.

If you haven't already tried a home pregnancy test, taking one now will confirm your pregnancy. There are other signs that show you could be pregnant as well. Check our due date calculator to work out when your baby is due. Once you get confirmation, you can call your doctor and make an appointment. Good and consistent antenatal care is one of the best ways to ensure that you and your baby will be healthy throughout pregnancy.

• Note: Experts say every baby develops differently - even in utero. These fetal development pages are designed to give a general idea of how a fetus grows in the womb.

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