Anatomy: Fetus in Utero - Stanford Medicine Children's Health
Anatomy: Fetus in Utero. Amniotic sac. A thin-walled sac that surrounds the fetus during pregnancy. The sac is filled with liquid made by the fetus (amniotic fluid) and the membrane that covers the fetal side of the placenta (amnion).
Fetal Circulation - Stanford Medicine Children's Health
The closure of the ductus arteriosus, ductus venosus, and foramen ovale completes the change of fetal circulation to newborn circulation. Through the blood vessels in the umbilical cord, the fetus receives all the necessary nutrition, oxygen, and life support from the …
Blood Circulation in the Fetus and Newborn
During pregnancy, the unborn baby (fetus) depends on its mother for nourishment and oxygen. Since the fetus doesn’t breathe air, his or her blood circulates differently than it does after birth: The placenta is the organ that develops and implants in …
First Trimester - Stanford Medicine Children's Health
What to expect during the first trimester. A healthy first trimester is crucial to the normal development of the fetus. The mother-to-be may not be showing much on the outside, but inside her body all the major body organs and systems of the fetus are forming.
Fetal Ultrasound - Stanford Medicine Children's Health
There are several types of fetal ultrasound: Standard ultrasound. The test uses sound waves to create 2-D images on a computer screen. Doppler ultrasound. This test shows and measures the movement of blood through the uterus, umbilical cord, in the baby’s heart, or around the baby's body. 3-D ultrasound.
Anatomy of the Newborn Skull - Stanford Medicine Children's …
The result is a symmetrically shaped head. Some sutures extend to the forehead, while others extend to the sides and back of the skull. One suture in the middle of the skull extends from the front of the head to the back. The major sutures of the skull include the following: Metopic suture.
Anatomy of Female Pelvic Area - Stanford Medicine Children's …
Anatomy of the Female Pelvic Area. Anatomy: Fetus in Utero. Contraception/Birth Control. The female pelvic area contains a number of organs and structures: the endometrium, uterus, ovaries, cervix, vagina, and vulva.
Syndactyly (Webbed Fingers) - Stanford Medicine Children's Health
Syndactyly—also known as webbed fingers or toes—is a common condition in which a child’s fingers or toes do not separate fully during fetal development.
Transposition of the Great Arteries (TGA)
Transposition of the great arteries (TGA) is a type of congental heart defect. This means that your baby is born with it. In this condition, the large blood vessels that carry blood from the heart to the lungs and body aren’t connected as they should be.
The Respiratory System in Babies - Stanford Medicine Children's …
Breathing in babies. An important part of a baby's lung development is the production of surfactant. This is a substance made by the cells in the small airways. By about 35 weeks of pregnancy, most babies have developed enough surfactant. …