To conceive, unprotected intercourse
must occur around the time of ovulation, i.e., during the fertile period. In a 28-day cycle, ovulation occurs on the 14th day; in fact, in any ovulatory cycle of any length, ovulation occurs 14 days before the next period. This can be predicted with the help of ovulation kits. Intercourse should be timed from day 11 - day 18 in a normal 28-32 day cycle. As you have had an abortion
, it would be nice if you can check for tubal patency. Hope you find this information helpful. Good luck.