Fetal Research

**Definition:** Experimentation on, or using the organs or tissues from, a human or other mammalian conceptus in the postembryonic period, after the major structures have been outlined. In humans, this corresponds to the period from the third month after fertilization until birth.

**Tree numbers:** - E05.349 - H01.770.644.145.300

**Synonyms:** - Fetal Experimentation