European Journal of Biotechnology and Bioscience

Authors
Suvarna Rawal

Abstract
Use of contraceptive is common in womens. Natural and synthetic estrogenic and progestogenic contraceptives are popularly used. Mode of intake is both in injection and oral form. Estradial valrate (E2V) Progesterone, Norethisterone, Tamoxifen and ovral. Components of estrogens and progestogens have an interesting and important effect upon the uterine chemistry. Components of estrogens and progestogens have an interesting and important effect upon the uterine chemistry. Studies of the chemical changes in the endometrium can lead to a better understanding of its functional and structural changes. Rat can become widely accepted as a surrogate in the study of human reproductive problems. The importance of the fluids within the female reproductive tract is well recognised, there is more speculation than proof concerning their role in reproductive processes.