Prenatal (adjective)

1. Relating to the period of time before birth.
2. Relating to the period of time from conception to birth.
3. Relating to the development of an organism before birth.

Origin:

The word prenatal comes from the latin word praenatalis, meaning "before birth" and it has been in use since the 19th century.

Examples:

1. She received prenatal care during her pregnancy.
2. The prenatal stage of development is crucial for the proper growth of the fetus.
3. The prenatal vitamins are essential for the baby's development.
4. Prenatal exposure to alcohol can cause serious birth defects.
5. The prenatal tests are used to detect any potential problems during pregnancy.