Suggest Treatment For Infertility

hi doctor am turning 34yrs this year.i have two sons aged 9 and 10 i got married to another man 3yrs ago.he also has 2 sons from two different mothers.we have been trying to have kids since then to no avail.i had a hsg test which was ok.i have used clomid for 6cycles and lastly i did gonal and femara.my husband sperm count is normal i dont know what to do now since i really need a child.