birth partner
noun [ C ] uk/ˈbɜːθ ˌpɑːt.nər/ us/ˈbɝːθ ˌpɑːrt.nɚ/ (also birthing partner, /ˈbɜː.θɪŋ ˌpɑːt.nər/ /ˈbɝː.θɪŋ ˌpɑːrt.nɚ/)
（产妇的）分娩陪护
a partner, friend, or family member who stays with and supports a woman when she is giving birth to a baby
Some women prefer to have their mother, sister, or a female friend as their birth partner. 有些女性更愿意让母亲、姐姐或女性朋友作为自己的分娩陪护。