Fertility is defined as the natural ability to get pregnant. But unfortunately, fertility does not come easily for everyone. Fertility levels will be seen when a couple has the inability to produce a pregnancy naturally or is called infertility. Based on the results of research in the United States, about 11% of couples will face infertility or infertility after one year of sexual intercourse without contraception. More than 8 out of 10 couples where the woman is under 40 will get pregnant within a year if they have regular unprotected sex. More than 9 out of 10 couples will get pregnant within 2 years.