USG or Ultra sonography is an important basic test for women who are having difficulty in conceiving. An ultrasound uses high-frequency sound waves to scan the reproductive system and the internal organs of the body. The condition of the uterus, endometrial cavity and ovarian reserve of the female can be evaluated with the help of, Transvaginal ultrasound. So most of the pathology in the female leading to infertility can be adequately diagnosed with the help of good USG.