Читать книгу Infants and Children in Context - Tara L. Kuther - Страница 168
Childbirth
ОглавлениеThirty-eight weeks after conception (or 40 weeks after the last menstruation), childbirth (also known as labor) begins.
Thirty-eight weeks after conception (or 40 weeks after the last menstruation), childbirth (also known as labor) begins.
