A newborn infant who can be classified as being for his or her gestational age if his or her weight and length are consistent with expected fetal development. The neonatal period is the first 4 weeks of a baby's life. It is also known as newborn.
| Grammatical category | Noun |
|---|---|
| Field | Anatomy, physiology and embryology |
| Level of specialization | Medium |
| Definition source | Medlineplus |