It may be one or a combination of low sperm concentration, poor sperm motility, or abnormal morphology. The rates of infertility in less industrialized nations are markedly higher and infectious diseases are responsible for a greater proportion of infertility. The present literature will help in knowing the trends of male factor infertility in developing nations like India and to find out in future, various factors that may be responsible for male infertility. Infertility is a condition with psychological, economic, medical implications resulting in trauma, stress, particularly in a social set-up like ours, with a strong emphasis on child-bearing. According to the International Committee for Monitoring Assisted Reproductive Technology, World Health Organization WHO , infertility is a disease of reproductive system defined by failure to achieve the clinical pregnancy after 12 months or more of regular unprotected sexual intercourse. There are no reliable figures for global prevalence of infertility,[ 3 ] but estimates suggest that nearly
Male infertility - Symptoms and causes - Mayo Clinic
Healthy sperm aren't always a given. Understand how lifestyle factors can affect your sperm and what you can do to improve your fertility. If you and your partner are planning a pregnancy, you might be wondering about the health of your sperm. Understand the factors that can affect male fertility — then consider steps to help your sperm achieve your goal. The male reproductive system makes, stores and moves sperm. Testicles produce sperm.
Trends of male factor infertility, an important cause of infertility: A review of literature
There are six main criteria for healthy sperm:. Sperm also need to have the right number of chromosomes for a successful pregnancy. A breakdown in any of these criteria can result in male-factor infertility. An estimated 15—20 percent of couples worldwide are affected by infertility.
The definition of motility is the ability of an organism or fluid to move. Sperm motility refers to the movement and swimming of sperm. Poor sperm motility is also known as asthenozoospermia. Sperm are motile cells.