Your chances of getting pregnant each month depend on many factors such as your age, your weight, and how long you have been trying to get pregnant.
From a statistical perspective, it takes, on the average, four months to get pregnant. Take our interactive Fertility Calculator to see your odds of having a baby over the next years.
There are several statistics concerning how many couples get pregnant each month when they start trying:
Keep in mind that if you have irregular menstrual cycles, it may take longer to conceive because it's harder to figure out when you're ovulating. If, after 6-9 months to a year of trying (less if you are older), you haven't got pregnant, talk with your doctor about your options. There are several ways to treat infertility, some simple, many fairly high-tech. Your doctor should be able to help you get started, and you may eventually want to consult a fertility specialist (Reproductive Endocrinologist).