Possible implantation symptoms?

Heather • ✝️💗 With God all things are possible 💗✝️ Certified Lactation Counselor
According to Glow, I ovulated somewhere between 1/23-1/29. My periods are normally very irregular(it had been almost a year without a period until a few months ago), but I started taking Vitex about 5 months ago and my periods coming again around 2-3 months ago, but still not completely on a normal cycle. This is the first time that I have noticed my CM to truly indicate that I O'd. Hubs and I normally BD every day and we did every day that Glow said I was ovulating. I woke up in the middle of the night to bleeding last night and thought I had started my period really early (just days after ovulating), but the bleeding had already stopped by the time I woke up this morning. I can feel a slight cramping/tingling in my lower stomach at times like I'm going to start my period (nothing overly noticeable or really painful like during my period), but I'm not due to have my period for at least another week or two. Could this be implantation or am I just going crazy hoping to be pregnant?!