So you got your period, that definitely means you ovulated earlier that cycle, right? Not necessarily. Breakthrough bleeding (which is not the same as your period!) can happen when you don't ovulate. This post covers what breakthrough bleeding is and how it's different from menstruation and implantation bleeding.
Get pregnant when you have an irregular period - Today's Parent
Your Period After Miscarriage: What to Expect
Can you get pregnant on your period? - Vital Record
Breakthrough Bleeding: Why You Can Get Your Period Without Ovulating
Why Am I Spotting After My Period?
Can you have periods without ovulation?
Breakthrough Bleeding And Pregnancy, 9 FAQs
Anovulation and Ovulatory Dysfunction
Why Am I Bleeding After My Period? – Knix
4 Potential Causes of Bleeding Between Your Periods: OB/GYN
Can I Have My Periods & Not Ovulate? - Inito
Can You Get Pregnant on Your Period?
Withdrawal bleeding from birth control: What you need to know
Do women who have undergone tubectomy have the occurrence of the menstrual cycle? - Quora