Because older pregnant women more often encounter complications during pregnancy, and because their skeletal and muscular systems are not as adaptable as those of younger women, when they give birth to their first child they often have difficult and prolonged labors that require caesarian sections to protect the health of the mother.
由於高齡產婦較易併發妊娠疾病，加上她們的骨骼、肌肉協調能力也較年輕產婦差，所以生產時（指生頭胎），常出現難產、產程遲滯等狀況，必須採取緊急剖腹的手段，來確保母子健康。