Help ttc baby #1

Brittany • I have 20 years old I have a husband of 2 years and he was a boyfriend for 4 years so 6 years all together
Im ttc my #1 baby and I've had sex when ovulation but I've had 2- positive and 2- negatives I've taken them a week within each other and the last 2 weeks I've been not prey when is the next time I could test