... Cite this article as: Han et al.: Physiologic variations of serum tumor markers in gynecological malignancies during pregnancy: a systematic review BMC Medicine 2012 10:86 Page 10 of 10 Submit ... Templeton A, Knight PG: A longitudinal study of maternal serum inhibin -A, inhibin-B, activin -A, activin-AB, proalphaC and follistatin during pregnancy Hum Reprod 1998, 13:3530-3536 21 Wallace EM, ... conservative management for an adnexal mass that is probably benign versus surgical treatment during pregnancy for an adnexal mass that has malignant characteristics [43,44] Ovarian cancer during pregnancy...