natural childbirth

例句：

1. 1. In a study published in the journal of obstetrics and gynecology, researchers found that natural childbirth is associated with lower rates of postpartum depression.
   在《妇产科杂志》上发表的一项研究中，研究人员发现自然分娩与产后抑郁率较低有关。
2. 2. The woman chose to give birth naturally, which was a decision influenced by her belief in the benefits of natural childbirth.
   这位女士选择自然分娩，这是她基于对自然分娩益处的信念做出的决定。
3. 3. Many women choose natural childbirth as it allows them to experience the full physical and emotional process of giving birth.
   许多女性选择自然分娩，因为这允许她们亲身体验整个分娩过程的物理和情感过程。