have any of you ladies had a regular flow period for 2 days then hardly nothing the next???? I had…

have any of you ladies had a regular flow period for 2 days then hardly nothing the next???? I had my so called period on jan 22-25 im irregular and usually last a week. but not this time. I'm kinda wondering what it was or if I might be pregnant??? I have 2 boys already 5 yr old & soon to be 8 month old...??? and yes were trying so that's why I ask???