NEW TO THIS TTC need advice

Charlotte

TTC with baby number 2... 4 years later. . Been on depo for 4 years. Last depo was January so was done by April and started to try... still no luck...

Decided to start using ovulation kits.

Used one on Saturday negative done one Sunday about 11 and was a strong bold line so was positive.. had intercourse at about 2 pm and also 11pm that night.. not done it since... what's the chances of me falling or have I messed this month up by not doing it Monday and Tuesday...

Did do another ovulation test on Monday and was negative... help please... need some advice...