Thank you for your query.
Duphaston is a progesterone preparation, and it is perfectly safe to take it.
Also, you can conceive while on Duphaston treatment.
Regarding your chances of conception, they depend on various factors.
Firstly your husbands semen analysis
Next your ovulation status - as you have irregular periods
, you should be evaluated for thyroid disorders, obesity, and polycystic ovaries
Your ovulation must be documented by follicular studies.
patency should be checked.
Please consult a fertility expert for specific guidance.