TTC second child while breastfeeding

My husband and I are trying for are second child I have had sex during my ovulation time 3 time and before I started ovulating. I am breastfeeding my 11 month old daughter soon to be one she eat table food drink water and maybe nurse 5-6 times a day depending on the day. Is it hard to conceive a baby I have had my period for a couple months now and I do track it. A lot of women say it can happen right away others say it could take months. Help I am due for my period around the 7-10th of nov