A Study to Evaluate the PK and PD of IM or SQ Injections of Levonorgestrel Butanoate (LB) for Female Contraception

"The initial formulation of the investigational product (IP) is LB Injectable Suspension at a concentration of 40 mg/2 mL (20 mg/mL). Each vial contains 2 mL at 20mg/mL for a total of 40 mg. This formulation will only be used for dosing groups A and B with the injections completed as 40 mg IM (2 mL) or 40 mg SQ (2 mL).~The second formulation of the investigational product (IP) is LB Injectable Suspension is a concentration of 140 mg/2 mL (70 mg/mL). Each vial contains 2 mL at 70 mg/mL for a total of 140 mg. This formulation will only be used for dosing groups B2, C, and D with the injections completed as 40 mg SQ (0.57 mL), 50 mg SQ (0.71 mL), and 60 mg SQ (0.86 mL)."