MEDICAL RESEARCH BANGLADESH ( BD )

Oral cotraceptive pills are tablets that prevents conception. Perhaps its the most accepted contraceptive method in developing countries. Its principle function is to prevent conception and it doesn't give any protection against HIV and other STD's. Oral Contraceptive Pills (OCP) are mainly two types. 1. Combiled OCP. 2. Progesteron OR Estrogen only Pills. The mechanism of action of OCP is very simple. We know that female Menstrual cycle is devided into three phases. 1. Proliferative phase : Here estrogen is secreted by Ovary , which causes uterine endrometrial growth. After this phase there is sudden withdrwal af estrogen which causes Ovulation ( It is the fall of mature ovum into Peritoneal Cavity , which ultimately comes into the uterine tube and finally in uterus ). 2. Secretory phase : Here both Progesterone and Estrogen Causes more and more growth if endometrium and increase secretion by the uterine glands. 3. The Menstrual phase : Here sudden Withdrawal of Progesterone ...