3wks late, a little milky dishcharge, cramps here&there not often tender breast&& nipples fatigued 2 neg hpt no birthcontrol or condoms trying for baby?

Regulate your cycles. It is best to find the reason for your delayed cycle. This may be an indication of hormonal imbalance that should be corrected before you conceive. Please see a doctor. Doing a menstrual chart for 3 months prior to your visit will be helpful for your doctor.