I had a period "well I think it was my period" but I got it four days late according to my app on my phone "mydays" my period was four days late when it came it was very light and light pink color / orangish , I didn't have cramp, when I usually have them the first two days of my period, and on the 2nd day before night fall my period stopped all together, it usually last at least four days min. im ttc and had sex on my ovulation day and fertile days, is this my period or could I have actually conceived ?