Researchers are developing an injection that creates a contraceptive implant in the body using ... of a synthetic version of the hormone progesterone contained in a solvent that does not mix ...

This implant releases a slow, steady dose of progestin — a synthetic version of the hormone progesterone — which prevents pregnancy in numerous ways. For instance, progestin blocks ovulation ...

It secretes the hormones estrogen and progesterone to prepare the body ... lining of the uterus (to form a nice bed for the ...