Understanding your menstrual cycle is important for a successful pregnancy. Most people have a 28-day menstrual cycle, but some may fluctuate widely, or even have only 21 days. Regardless of the length of your menstrual cycle, it's important to know when you're ovulating because ovulation is an important time for pregnancy.

So, if your period comes on the 8th, when will you ovulate? We can use a calendar or tools provided by our doctor to understand our menstrual cycle and ovulation. However, some people may not be able to accurately predict their ovulation period for various reasons. Therefore, it is very important to understand your menstrual cycle and ovulation period, and ensure that you have sex at the right time.

In addition to knowing your menstrual cycle and ovulation, there are a few other things you can do to help predict your chances of getting pregnant. For example, women can determine their own body temperature changes by measuring their basal body temperature and predict their ovulation period accordingly. Women can also predict their ovulation by observing whether their menstrual cycles are regular and whether they can predict future dates.

Understanding your menstrual cycle and ovulation is important for a successful pregnancy. If you're unsure about your cycle or want to more accurately predict your ovulation, talk to your doctor or professional advisor.