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placental

British  
/ pləˈsɛntəl /

adjective

  1. (esp of animals) having a placenta See also eutherian

    placental mammals

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Molecular clock studies have supported the possibility that placental mammals originated well before the end of the Cretaceous.

From Science Daily ● Sep. 28, 2026

During early pregnancy, for example, these cells in the uterine lining help prevent the immune system from attacking fetal cells and support placental growth.

From Science Daily ● Aug. 25, 2026

But at 17 weeks, Hayley was told she had lost the pregnancy after suffering a placental abruption.

From BBC ● Aug. 24, 2026

But what followed was three years of heartbreak when Hayley suffered a placental abruption at 19 weeks pregnant and was told her baby boy, who they had named Oscar, had died.

From BBC ● Aug. 24, 2026

There had been bleeding; if she could have afforded an examination, a doctor would have found signs of placental abruption.

From "Just Mercy" by Bryan Stevenson

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