You will only need progestogen therapy if you still have your uterus/cervix post-op (and also in chemical menopause or with pre-op estrogen-therapy). We recommend sharing any of the following resources with your doctor:
The American Journal of Obstetrics and Gynecology (ACOG) Committee Opinion on Hormone Therapy in Primary Ovarian Insufficiency (Specifies Recommended Hormone Dosages)
More reading: www.iapmd.org/hrt
Visit www.iapmd.org/surgery for lots of evidence-based information and resources for those considering, going through or recovering from surgery for PMDD/PME.