Hello, generally speaking, men and women The two sides living together for two years do not take any contraceptive measures can not be pregnant, as infertility, you have six months, do not worry too much.
pregnancy is a very complex physiological process, which requires the woman has normal ovum, sperm need to flush
out a normal man, but also a smooth combination of sperm and ovum implantation
and development and these will not be missing the one hand, pregnant six months you are not pregnant, you can also go to the hospital check , excluding the following diseases: First, check the woman's ovaries are normal, tubal
patency, development of the uterus is normal, whether suffering from uterine diseases, immune aspects of diseases, such as anti-sperm antibodies
sperm of the man to check to see if sperm morphology, number, the survival rate, liquefaction, etc. The proposed investigation wen with both men and women, after excluding the above diseases should be pregnant.