Answer:
personality techniques, just know that this might not be right
i suggest you wait for someone else
All of them except condoms. Everything you take orally gives you hormones such as progesterone and estrogen to fool your body into thinking you’re pregnant so you won’t produce an egg that month. Other methods such as the ring and patch do the same, just not through direct ingestion.
I’m pretty sure it’s 87% if I can remember from science