Fetal movement begins in the second trimester. Some expectant mothers can feel their baby moving by the fourth month, according to What to Expect. Most women experience the sensation of fetal movement by the fifth month of pregnancy.
Babies start opening their eyes at approximately 26 weeks gestation. At that point their eyelids and eyelashes are fully formed, and they practice using their eyes by blinking and moving them around.
The sex of a baby is determined at the moment of conception, according to WebMD. If the sperm has an X chromosome, the baby is a girl, but if it has a Y chromosome, the baby is a boy. However, the fetus doesn't develop reproductive organs for another 60 days.
On average, a baby in the womb has a heart rate of 110 to 160 beats per minute. This often varies by up to 25 beats per minute, according to John Hopkins Medicine. Some conditions during pregnancy or labor may affect fetal heart rate.
According to BabyCenter.com, playing music for babies in the womb has no proven positive or negative effects. Some studies show that fetuses may breathe in rhythm along with music, but other researchers question whether these findings are actually accurate. Playing clas...
The easiest way to make a baby move in the uterus is to have a snack and relax while lying on one's side, according to What to Expect. The surge in blood sugar produced by a snack gives the baby a rush of energy that promotes movement. Ceasing one's own movement makes i...
Babies do cry while in the womb, according to WebMD. Babies can express their unhappiness with silent crying as early as the 28th week of pregnancy. The discovery of fetal crying in the womb was made by accident when researching the effects of tobacco and cocaine on pre...