When you know your menstrual cycle, you improve your chances of becoming pregnant. The first phase starts with the first day of bleeding during your period. Your body releases hormones, such as follicle-stimulating hormone (FSH), that make the eggs inside your ovaries grow. Between days 2 and 14, those hormones also help thicken the lining of your uterus to get ready for a fertilised egg. This is called the follicular stage.
What Happens During Ovulation
The average menstrual cycle is 28 to 35 days. Ovulation usually happens between days 11 and 21 of your cycle. A hormone called luteinizing hormone (LH) surges, triggering the release of the egg that’s most ripe. At the same time, your cervical mucus becomes more slippery to help sperm make their way to the egg.