Which form of birth control could people use without altering hormonal systems or blocking sperm from fertilizing an egg?

Respuesta :

Answer:

Birth control pills alter hormonal systems by giving women two hormones called estrogen and progestin to prevent pregnancy. Condoms simply block the sperm from getting to the egg to prevent or lower chances of becoming pregnant.Explanation:

An IUD INTRAUTERINE DEVICE. It stops uterus from forming the proper lining for An egg to implant.