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EncyclopediaSeebpdbiparietal diameter
bi·pa·ri·e·tal di·am·e·terthe diameter of the fetal head between the two parietal eminences.bi·pa·ri·e·tal di·am·e·ter (bī'pă-rī'ĕ-tăl dī-am'ĕ-tĕr) The diameter of the fetal head between the two parietal eminences. biparietal diameter Abbreviation: BPD The transverse distance between the parietal eminences on each side of the head (about 9.25 cm).See also: diameterAcronymsSeeBPDThesaurusSeediameter |