Ethinyl Estradiol (17α-Ethynylestradiol; Ginestrene; Ethinyl Estradiol; Ethynylestradiol; Microfollin Forte; Organon; Progynon C) is an orally bioactive and semi-synthetic estrogen used in various formulations of combined oral contraceptive pills.

Pregnenolone (NSC-1616; NSC-18158; Prenolon; Regnosone; Skinostelon; Enelone; Natolone; Pregnetan; Pregneton; Pregnolon) is an endogenous/naturally occurring steroidal hormone that has been used in the treatment of fatigue, Alzheimer’s disease, trauma and injuries.

Mifepristone (formerly RU-486; C-1073; RU-38486; Mifegyne; Pictovir; Mifepristonum; Mifepristona; Mifeprex; Corlux) is a synthetic steroid compound that has been approved as a medication used in combination with misoprostol to bring about an abortion during pregnancy.

Levonorgestrel (Norgestrel, Microval, Postinor, Mirena, Plan B) is a female hormone that can prevent ovulation and has been used in many birth control pills.

Amcenestrant (SAR-439859; SAR439859) is a potent, orally available, and nonsteroidal estrogen receptor degrader (SERD) with potential anticancer activity.

Licochalcone A is a naturally occuring chalconoid/phenol and estrogenic chalcone compound extracted from licorice root (Glycyrrhiza glabra or Glycyrrhiza inflata) with antimalarial, anticancer, antibacterial and antiviral activities.

Ulipristal (CDB-2914; HRP2000, VA2914, RTI 3021-012, RU 44675, EllaOne, Ella, Esmya) is a potent and selective SPRM (selective progesterone receptor modulator) used for emergency contraception after an unprotected intercourse or contraceptive failure.

Toremifene Citrate (NSC-613680; NK-622; FC-1157a; NSC613680; NSC613680; FC1157a; Fareston), the citrate salt of toremifene, is an orally bioavailable SERM (selective estrogen receptor modulator) approved for use in the treatment of advanced breast cancer.

Dydrogesterone is a synthetic progestin.