whats this mean?

Tessa • 3.20.10 the day we fell in love😘, 9.3.16 the day we said I do💍, 9.21.18 our first child together😍

so I just got off my period. went from 12th-15th. does this mean I'm about to start ovulating? it says on her I start tomorrow....if that's what the green circles mean....help ladies