Short and slangy for a premature baby. A preterm infant. Also often spelled (for obscure reasons) preemie.
Occurring or existing before birth. Prenatal care is the regular health care women should receive from an obstetrician or midwife during pregnancy. Prenatal development is the growth of a single-celled zygote formed by the combination of a sperm and an egg into a baby. Prenatal diagnosis is diagnosis before birth by techniques such as ultrasound, […]
- Prenatal care
Health care that a pregnant woman receives from an obstetrician or a midwife. Services needed include dietary and lifestyle advice, weighing to ensure proper weight gain, and examination for problems of pregnancy such as edema and preeclampsia.
- Prenatal development
The process of growth and development within the womb, in which a single-cell zygote (the cell formed by the combination of a sperm and an egg) becomes an embryo, a fetus, and then a baby. The first two weeks of development are concerned with simple cell multiplication. This tiny mass of cells then adheres to […]
- Prenatal diagnosis
Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or developing fetus; chorionic villus sampling (CVS) to obtain tissue for chromosome or biochemical analysis; and amniocentesis to obtain amniotic fluid for the analysis of chromosomes, enzymes, or DNA. A growing number of birth defects and diseases can be diagnosed prenatally and […]
- Prenatal radiation exposure
The exposure of an unborn baby to radiation. Radiation exposure of the fetus can occur when the mother’s abdomen is exposed to radiation from outside her body as, for example, by diagnostic X-rays. A pregnant woman may also be exposed to radiation by swallowing or breathing in radioactive materials. From the mother, radioactive materials may […]