About 12 days into my current cycle, i noticed that my vaginal mucus dried up. Normally this happens to me after my ovulation but i never felt the usual signs of ovulation which i normally have like abdominal cramps and soreness of breasts. this dryness lasted till the 15th day when i had intercourse. In the evening of the next day, i noticed abdominal twitches and thick and stretchy vaginal mucus. i noticed the same things on the 16th,17th and morning of 18th day except that it was a bit slippery on the 17th day but stll very thick and stetchy.
i feel i have ovulated on any of these days but the mucus never thinned out.

if i truly ovulated, could i be pregnant from the intercourse on the 15th day when there was absence of vaginal mucus? could i have ovulated before that 15th day?