In recent years, there has been an increase in the number of couples seeking medical assistance for infertility.The incidence of male factor is also increasing. The reasons for this is increase in the number of women delaying conception , rise in the incidence of sexually transmitted infections , environmental hazards giving rise to low sperm count and the general trend of postponement of parenthood amongst career oriented individuals . It depends on age of the woman . Period for which they have been trying for a pregnancy, Frequency of intercourse- Infrequent sexual intercourse, for example having sex once or twice in a month decreases the chance of pregnancy. Having sexual intercourse 3-4 times a week, during the fertile period would improve the chance of conception . Presence of fertility problems Existing fertility problems in either of the partners reduces the chances of conception. If the woman is below 35 years and has normal menstrual periods, and the couple has tried for a conception for a year with a frequency of sexual intercourse 3-4 times a week during the fertile period and has yet not conceived , then they need to consult an Infertility expert.The following could be the considerations. The woman is older than 35 years of age and the couple has been trying for a pregnancy for more than 6 months. The woman does not menstruate regularly i.e. her menstrual cycle is either less than 21 days or more than 45 days. The couple has difficulty or inability to have normal sexual intercourse / frequency of sexual intercourse is less. The woman has medical illness like diabetes , epilepsy or hypertension. History of pelvic infection in the woman in the past. History of medical termination of pregnancy (MTP) / 2-3 spontaneous abortions in the woman. History of surgery in the pelvis or in the lower abdomen in the woman Men with history of surgery in the external genital area . Men with prostate problems.