First thing is, your husband's sperm count is little low. Secondly your age, at this age generally the quantity and quality of egg reduces. Is you are not producing good quality eggs, then it is also a reason you why you are not able
to conceiving. Also you had miscarriage
twice, so there may be lack of hormonal support or infection
or tb etc.
done to rule out pathology of uterus, and amh done. To see no of eggs left in you.
And get with reports so that can help you.