Answer (1 of 7): If you ovulate later than normal in your cycle then implantation could occur the day after your period is expected.
Is this implantation bleeding or menstrual period? - Quora
What's the difference between implantation bleeding and
Can you find out you're pregnant before your period? - Quora
What Is Implantation Bleeding? Symptoms & Timing
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Can a woman get pregnant one day into her period? - Quora
Can implantation start the day you are expecting your period? - Quora
Can I tell if implantation is happening? - Quora
Can implantation start the day you are expecting your period? - Quora
Can implantation bleeding last 5 days? - Quora
Can implantation start the day you are expecting your period? - Quora
How to know if you have implantation bleeding - Quora
How long are you fertile after your period? - Quora
When can women get pregnant in the menstrual cycle? - Quora
What causes cramps 6 days before my period? - Quora