AF @ 10 DPO but only for half a day???

Simi • 💗MAR2009💗APR2016💔OCT2017💔JUN2018🤞🏻TCC
Pains in my right pelvic area and a pinch type of pain in lower belly. Then a bit of blood for half a day?
​Not due til May 26 but maybe AF early?
​I never had IB with my daughter (now 5) but she was totally unplanned