Respected doctor . my question is I want to concieve for second time but unable to do so from last 5 months .pls suggest me the reason of not concieveing

A. average 28-day menstrual cycle, ovulation typically occurs about 14th to 18th day of regular period. However, each person's cycle length may be different, and the time between ovulation and the start of the next menstrual period may vary. Ovulation usually happens once each month, about two weeks before your next period. Ovulation can last from 16 to 32 hours. ovulation time is the time for intercourse to be done regularly