synchorial

adjective

syn·cho·ri·al ˌsin-ˈkōr-ē-əl, ˌsiŋ-, -ˈkȯr-

: having a common placenta

—used of multiple fetuses

fraternal twins showing synchorial fusion

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“Synchorial.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/synchorial. Accessed 23 May. 2025.

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