Trimester
First Trimester: The first 13 weeks of pregnancy
The first trimester is the first three months of pregnancy. It covers weeks 0-13. It's the period when the embryo implants in the uterus and pregnancy begins. It's also the period when organs begin to form.The baby's heart and circulatory system have formed and its heart has begun to beat.
The baby's facial features begin to become more defined, and the eyes begin to move toward their normal position on the face. The internal structure of the ear is forming. The mouth, nose, and ear canals become visible.
Double screening tests are performed during this period.
Second Trimester: Weeks 14-27 of pregnancy
The second trimester is the period that starts from the 14th week of pregnancy and continues until the 27th week.
The eyes have settled into their proper positions on the face and the eyelids have formed.
Since the genitals become apparent during this period, the gender can be determined.
As their muscular system continues to develop rapidly, the mother can feel their movements increasing.
The sense of taste is developing. As taste buds begin to appear on the tongue, the baby can distinguish between bitter, sweet, and sour.
Triple and quadruple screening tests are performed during this period.
Third Trimester: The Last Period of Pregnancy
It is the final period of pregnancy, extending from the 28th to the 40th week.
The baby's brain is well developed.
Lung and liver development continues.
He has started to sleep and wake up regularly as his eyes have started to open and close.