i am 29 yrs old,weight is 56, Height is 4"10... medical history is slightly allergic to dust and cold(only seasonal) and my husband is 32 yrs, Height is 5"7, weight 72, medical history is normal.. we had been married for 3 yrs.. we are not using any contraceptive measures..still we are failed to get progeny.. once, my husband's semen counts is tested... but it showed slightly count is low.. but not severe could be called as infertility.. please guide me , is any treatment is required