Below are possible answers for the crossword clue OB's perform them.
6 letter answer(s) to ob's perform them
AMNIOS
(pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
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