妇科学一般将小儿分为 3个阶段 :新生儿期、儿童期及青春期。正确了解小儿生殖系统的解剖及生理特点 ,可加深妇幼保健工作者和临床医师对小儿妇科学的认识。1　新生儿期自胎儿娩出至出生后 2 8d为新生儿期。出生时 ,女婴生殖系统的表现依赖于母体激素的刺激 ,这种生理性反映可 Gynecology is generally divided into three stages of children: neonatal period, childhood and adolescence. A correct understanding of pediatric reproductive system anatomy and physiological characteristics, can deepen MCH workers and clinicians awareness of pediatric gynecology. 1 Neonatal period from fetus to delivery 28 days after birth for the newborn period. At birth, the baby’s reproductive system’s performance depends on the stimulation of maternal hormones, this physiological response may be