If you have a regular cycle then planning when to have sex is pretty easy, if you tend to have abnormal periods I wouldn't try this. I would also track your period and ovulation for a few months so you can know the regularity. Use ovulation strips and also pay attention to cervical mucous and other physical symptoms.
Know that you are only fertile for maybe 36 hours a month, but do not have sex like 5 days before this time period because sperm can survive for 5 days, sometimes 7.
If you use pullout method, make your moid piss before you have sex. The reason pullout can cause pregnancy is because sperm gets left behind in the urethra from previous ejaculations, precum doesn't actually contain sperm. Pissing helps flush out any sperm left behind.
Although you have to trust your moid to be able to pullout in time, and I think thats the biggest thing. If you do it once in a while in a pinch its probably not an issue, but every single time you have sex? That seems impractical.
Maybe if he won't wear a condom you could use a cervical cap or something.
>>10580Copper implants are not cheap, some can cost thousands, it really depends on your insurance. Copper implants can also make your periods worse. Its definitely one of the better methods out there though.