Summary: \”I\’m ready to give birth, but I\’m afraid I won\’t be able to give birth!\”, \”What should I do if I give birth to an unhealthy baby?\” Many expectant mothers in the third trimester will have such worries. \”I\’m about to give birth, but I\’m so afraid I won\’t be able to give birth!\”, \”What if I give birth to an unhealthy baby?\” Many expectant mothers in the third trimester will have such worries. The harm of prenatal anxiety 1. Prenatal anxiety will increase the secretion of adrenaline in pregnant women, leading to metabolic acidosis and hypoxia in the fetus. 2. Prenatal anxiety can cause autonomic nervous disorder in pregnant women, leading to inability to contract the uterus during delivery.