Singh AK, Khan S. Heterotopic pregnancy: case report of a successful first trimester metacyesis management and a viable third trimester outcome. Int J Reprod Contracept Obstet Gynecol [Internet]. 2018 Dec. 26 [cited 2025 Oct. 27];8(1):332-4. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/5840