Thank you for your query.
could be the cause of your inability to conceive.
There are various causes for irregular menstrual cycles.
Extremes of reproductive age, stress, anxiety, emotional trauma, rapid fluctuations in weight are common causes.
Thyroid hormone imbalance
, high prolactin levels also might be a reason.
Polycystic ovarian syndrome
is one of the commonest conditions found in women of reproductive age group which contributes to irregular periods and infertility
Endometrial lesions might be responsible.
You need to consult a Fertility Specialist and have a detailed evaluation for your condition.