I wanna scream

Rachel • I`m 30 years old I have two beautiful boys and trying to conceive a third child currently !
I don't want to be one of those women who are pregnant but didn't know till they give birth on the bathroom floor I haven't had a real period since December 4th I spotted for two days after getting the progesterone shot at the beginning of the month and all my tests I run come out negative I just wanna scream at my body any help is great!