But the researchers conclude that "maternaldistress in early life plays a role in the development of childhood asthma, especially if it continues beyond the postpartum period."
但是，研究者结论表示，母亲早期的压力对小孩发生气喘扮演重要的角色，特别是压力在产后持续的时候。
2
Fetal distress, umbilical cord, the main factors related factors, factors of amniotic fluid, placental factors, maternal factors.