This book is based on pure research and deals with a very important topic that is "infertility in women" This type of study is the first of its kind in Pakistan. Over the past few years it has been identified in several studies that women due to the career tend to delay their pregnancy. The number of infertility cases is increasing day by day which is very alarming. Awareness programs must be launched to reach to the elite and middle class since one of the major reason for primary infertility is delaying of pregnancy due to career building This book is a clear worded and concise and deals with very simple causes of pregnancy and the phenomena behind the capability of a women to become fertile. This book can be useful to undergraduate and postgraduate students and is easily understandable. Graphs and pictures have been given to enhance the understanding of the text.