my period came early this month and last month it was 11 days late, my brest were really sore and even grew a bit. I am 20 years old and they shouldnt be growing any more. i took a pregnancy test that read neg, but ive began to notice that my hair has grew longer and thicker and my nails have grown longer and alot stronger, in my past years ive never had fingernails and they have never been strong. i have also noticed alot more vaginal discharge that even makes sex better is it possible that im still pregnant and that its undectected.