Please choose the correct ending to complete the given sentence: Health: [header] How to increase your chances of getting pregnant [title] Track your period for a few months. [step] Each month, your ovaries release an egg that travels into your fallopian tubes. This is called ovulation and conception occurs in the days leading up to ovulation.

Ending1: Records are available online that can help make it easier for you to monitor your eggs regularly and tell how they have entered your fallopian tubes. [substeps] Some pregnancies also develop pms during ovulation. Ending2: If you are on a menstrual cycle, you should also track your period before ovulation. It can be difficult to track your periods if you are active too much or are not taking full care of yourself. Ending3: The egg is fertilized by sperm and attaches itself to your uterine wall. As ovulation occurs about halfway through your menstrual cycle, tracking the natural flow of your periods can help you get an idea of your fertile window. Ending4: Tracking your period routinely can keep you from having to worry about the day when you get ovulation. It may also help you decrease your risk of ovulation in a few months.

Answer format: ending1/ending2/ending3/ending4