With high resolution ultrasounds, fetal malformations can be ruled out, including heart, face, spine, head, limbs, etc.
The sonography or ultrasound allows the visualization of the development of the fetus, diagnose a twin pregnancy and the sex of the baby.
The earliest ultrasound that can be performed in pregnancy is several days after the expected menstruation.
At the end of the 5th week of pregnancy, the heartbeat of the embryo can be seen.
By the 9th week of pregnancy, the heart and most of the organs are formed, as well as the upper and lower limbs.