Why I Am Not Getting Ovulation?

good day doctor, am 35yrs old, i saw my menstruation on 31 of march and it stop 6th of april this month and i took a strong antibiotics on 8th,9th and 10th of april and i was suppose to start ovulation from 10th to 15th, but till now i have not seen my ovulation, so, am wondering if antibiotics have aan effect on ovulation