Brain injury can occur during prenatal, perinatal, or postnatal periods. This differentiation occurs in both perinatal and postnatal periods. Prophylaxis needs antenatal, natal, and postnatal care. Most models of maternal health encompass family planning, preconception, prenatal, and postnatal care. Research has suggested that endocrine disruptors pose the greatest risk during prenatal and postnatal development. CCAS can also be seen in children with prenatal, early postnatal, or developmental lesions. Zinc is an essential mineral, including to prenatal and postnatal development. Hedgehog signaling pathway, which could reduce TEC cells in fetal and postnatal thymus. Women play a prominent role in village health committees and prenatal and postnatal programs. Most oligodendrocytes develop during embryogenesis and early postnatal life from restricted periventricular germinal regions. Victoria may have suffered from postnatal depression after many of her pregnancies. The terms "postpartum" and "postnatal" are often used for this period. Postnatal care is care provided to the mother following parturition. The phenotype for BDNF knockout mice can be severe, including postnatal lethality. The thymus increases in size from birth in response to postnatal antigen stimulation.