The present study aims at studying the matter of birth control in Mosul. As it known that one of the main and direct factors that determine the fertility is birth control. On the one hand, it is a choice for families to organizing the birth averages. It is a means for the decision makers of the demographic policy of the fertility averages.The study falls into two parts: the first is the theoretical part. The second one is the practical part. Then the first part is subdivided into subsections includes the subject, aims and it significance. The second subsection includes: the historical of birth control and woman and the birth controlThe second part includes the method of the study and data analysis. And finally some conclusions and recommendations were put forward.