Honoria Sison Acosta, Philippine gynecologist (Calasiao, Pangasinan 30 December 1888 – 19 January 1970)

Gained international renown for her publications on hydatidiform mole, chorionic malignancy,  toxemias of pregnancy and trophoblastic diseases

Performed contributions on the origin of the lower uterine segment (1928 & 1935)

Observed that hydatidiform mole cases are predisposed to pre-eclampsia

Observed that choriocarcinoma may be the direct product of conception