Thanks for your query.
Normally, copper T causes increased menstrual bleeding.
However, if due to prolonged use, there is endometrial damage, menstrual bleeding might be less.
Also, conditions like thyroid disorder
or poycystic ovaries cause scanty and irregular bleeding.
You need complete evaluation by a gynecologist.
Bigomet SR is metformin
which is used for treating ovulatory disorders in polycystic ovaries
It helps in regulating periods and enhancing ovulation, but does not always guarantee a pregnancy