The facts are: Yes, you can get pregnant if you miss even one pill, a baby is much more expensive than a pack of pills, you can get free birth control at numerous places (planned parenthood, etc.). I must state again: If you cannot afford birth control, you cannot afford another baby. Either abstain or find free birth control. I don't intend to be mean, but after 3 kids in as many years, how can you not know this? Why would you not want to take the test to find out? We have a great responsibility to our children, both born and unborn to do the responsible thing. I wish you luck.