click below
click below
Normal Size Small Size show me how
Parenthood Ch 8
Prenatal Development
Term | Definition |
---|---|
Amniocentesis | A prenatal test that involves removing a small amount of amniotic fluid that surrounds the fetus in the uterus |
Amniotic fluid | Fluid that cushions a developing baby from outside pressures. |
Birth defect | An abnormality that is present at or before birth and results in mental or physical disability. |
Chronic villi sampling | A prenatal test that involves taking a sample of cells from the placenta. |
Ectopic pregnancy | Also known as a tubal pregnancy. |
Embryo | The developing baby that begins with the implantation into the uterine wall. this stage lasts 6 weeks. |
Fetus | The last stage of development for a developing baby which ends at birth. |
Placenta | Tissue that is connected to the uterine wall, contains a rich network of blood vessels. |
Umbilical cord | Cord that connects the developing fetus to the placenta. |
Ultrasound imaging | A process that uses sound waves to create video and still images of the fetus in the uterus. |
Zygote | The first stage of prenatal development which lasts 2 weeks. |