birth mother

British  

noun

1. the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child

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Example Sentences

One is his long-estranged birth mother, who at last shows up in Alphy’s life for an auspicious celebration but may not be entirely ready to embrace him.

From Salon • Jun. 16, 2026

Leo's birth mother, Rachel Fisher, said her son "didn't have a bad bone in his body".

From BBC • Jan. 29, 2026

Mieke Murkes was an infant when her birth mother, Okgyun, gave her up for adoption.

From The Wall Street Journal • Dec. 4, 2025

In Alabama, a birth mother has just five days to change her mind.

From Slate • Aug. 18, 2025

Here we were—my adopted parents, my birth mother, my half sister, and a stranger my mother needed for support—courteously sitting across from one another.

From "Three Little Words: A Memoir" by Ashley Rhodes-Courter