using pressed for the frist time

hey everyone I'm going too be using perseed for the frist time and I'm not sure how it works. how long do I wait after i put it in too have sex? can i use it every day when I'm ovulating? how much do I use? does it really help u get perengent? please help me I been trying too have a baby for 2 years now and I haven't had any luck, my friend told me about perseed I just wanta make sure that I do it right😍😀🤣