The mouth? MARK THE PERSON THAT SAID THE ANSWER FIRST BRAINLIST IM JUST HELPING HER/ HIM PLS MARK THEM BRAINLIST
Answer:
They block sperm from reaching an egg.
Explanation:
Unlike the traditional birth control pill, the mini-pill has only the hormone, progestin. Taken daily, the mini-pill thickens cervical mucus and prevents the sperm from reaching the egg.
I believe that they all effect the production of hormones
