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Bernalillo County Sheriff's Office An autopsy later determined that the amniotic sac had ruptured prematurely, causing the bleeding and fluid Tanner had reported, and the umbilical cord was wrapped around the baby’s neck.—Jon Schuppe, NBC news, 20 Nov. 2025 Mono/Di twins also share a single placenta and blood supply, but have separate amniotic sacs.—Hannah Sacks, PEOPLE, 12 Sep. 2025 The amniotic sac is filled with fluid, which provides cushioning and protection.—Beth Warren, The Tennessean, 2 July 2025 Non-identical twins come from two different eggs and will have two sacs and two placentas; identical twins come from the same egg, but most develop separate placentas and amniotic sacs for each baby.—Nicole Villalpando, Austin American Statesman, 2 July 2025 See All Example Sentences for amniotic sac
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