Welcome to HCM.
Headache, tender breast,discharge may occur during period but it might be due to ovulation treatment. your symptoms also suggest chances of pregnancy
Wait for missing cycle.go for urine pregnancy test after 7th day of missing cycle.
Also confirm by blood hcg
level and USG.
If you want to conceive than go for ovulation study by usg from 11th day of cycle and plan accordingly.
Take treatment for any under lying condition.Correct anaemia
and b12 level.
Keep in touch with your doctor.