West BT, Kavoussi PK, Odenwald KC, London K, Hunn CL, Chen SH, Wininger JD, Gilkey MS, Kavoussi KM, Kavoussi SK. Factors associated with subchorionic hematoma formation in pregnancies achieved via assisted reproductive technologies. J Assist Reprod Genet. 2020 Feb; 37(2):305-309.