Impact of Unfractionated Heparin Use on Maternal Bone Mineral Density During Pregnancy: A Retrospective Study Using AI-Assisted Radiographic Analysis. - Enomoto Y; Wada-Hiraike O; Moro T; Furuki J; Nariai M; Ga H; Takai R; Furukawa M; Tsuchimochi S; Yoshimura N; Tanaka S; Hirota Y (Reproductive sciences (Thousand Oaks, Calif.), 2026)