The mechanism of action is not clearly established. Several studies show that ECP can inhibit or delay ovulation. It has also been suggested that ECP may alter the lining of the uterus, thus preventing implantation, or change the action of the sperm or egg.
Abortion terminates an already established pregnancy.
ECP is not thought to affect an already established pregnancy. ECP and pregnancy testing and counseling are available at the Parton Health Center. The sharing of body fluids and skin to skin contact during oral sex can expose both partners to sexually transmitted infections. Condoms and dental dams provide some protection during oral sex. These barrier methods, as well as testing and treatment for STIs, are available at the health center.