Ovulation refers to the time during a woman’s menstrual cycle when an egg is released. For many women, ovulation is a very important period because it is often the time when they experience discomfort or pain. However, for some people, they may not have that regular schedule in their lives, so they may ovulate earlier.

A woman's menstrual cycle is usually measured in one month, but sometimes it can be shorter or longer. If women's cycles are erratic, their ovulation periods will be correspondingly erratic. However, for some people, their cycles may come early, which means they ovulate early as well.

Generally, a woman's menstrual cycle lasts 28 days, but this may vary for some. For those with shorter cycles, their menstrual cycle may last between 21 and 35 days. In this case, their ovulation may occur between day 13 and day 19 of their cycle.

For those with shorter cycles, it may be helpful to know when they are ovulating. They can take steps to ensure they have sex during this period to make it easier to get pregnant. Additionally, they can learn whether they are at risk by observing their symptoms.

Although ovulation may occur earlier for those with shorter cycles, that doesn't mean they can't get pregnant. As long as they have sex during this period and take appropriate measures, they still have a chance of getting pregnant.

To summarize, for people with erratic cycles, it may be helpful to know when they are ovulating. They can take steps to ensure that they have sex during this period and, if possible, avoid having sex during risk periods.