What does this mean I'm a day before my due date and I'm cramping in my lower stomach and it also feels like I have to do # 2....What could this mean?

I gotta question could I be pregnant and have 2 1/2 day period because I think i got pregnant on Nov 26 and had implantation bleeding on Dec 11 because I'm usually on my period for at least 4 days but mostly 5 or 6 which my full period was Nov 11 for 5 days ?? but in dec only 2 1/2 days it's kinda confusing really im excited about my Dr visit feb19 to know for sure :)

okay so I need HELP! I took castor oil with juice about 2 hours ago and I'm having sharp pains in my lower back!!! they take my breath away :(

So now that I have my test strips when do I start testing! I am on day 2 of af today and it lasts about 3-4 days normally. I have about a 26-27 day cycle. Any help would be very appreciated thank you!!😀

so I gtta question if anyone can answer.. my period has been irregular so I came off my birth control and have only had sex 2 times unprotected after that but now... I have been extremely tired... tender boobs and mild cramping in my lower abdomen.... the first pregnancy test I took it showed a really faint positive like I could have almost imagined it but my friend seen it too.... but every different test I took after that showed negative (I took them all the same day I'm too anxious)... but I'...