I heard a girl can only get pregnant on the 14th day of her cycle, is this true?

A: No, that is not true. A woman has a good chance of becoming pregnant from unprotected vaginal intercourse during the six days of her cycle that end in ovulation (the release of an egg). Ovulation usually occurs about 14 days before the start of a woman's period — the beginning of her menstrual cycle. She is less likely to become pregnant from unprotected intercourse in the day or two following ovulation, but it is possible. …

Can a woman get pregnant at any age?

A: A woman becomes able to get pregnant when she ovulates for the first time — about 14 days before her first menstrual period. This happens to some women as early as when they are eight years old, or even earlier. Most often, ovulation begins before women turn 20. On average, it first happens when a girl is between 12 and 13. …