Hello dear
I understand your concern
Primolut N contain 
progesterone and it same hormone present inside body.
It does not affect 
pregnancy and future chance of pregnancy.
Inspite it support early pregnancy and promote growth of fetus.
In absence of pregnancy, primout will help to induce period.
Take it according to advise of your gynecologist.
If you have normal period, adequate maturation and rupture of follicle, patent 
fallopian tube, normal semen parameter then you become pregnant.
You can start ovacare plus, progesterone tablet in secod half of period tom become pregnant.
Avoid 
stress, take healthy diet, drink plenty of water, do regular exercise and maintain weight according BMI Hope this may help you
Contact further if follow up needed
Best regards
Dr. Sagar