I have all symptoms of pregnecy I took a take home test and it came out negative, I'm with a partner that has a long and wide penis then what I'm used to and it hurts, I'm bleeding a lot and this is my first time ever bleeding after sex in my life, It's also being followed by period like cramps but no period and my lower back hurts ?

Early pregnancy symptoms can be confused with simple PMS.
The negative HPT tends to confirm that..

False negatives are very common, especially if you test too soon, or don't follow the instructions exactly.

Did you use first morning urine? How late is your period?

Wait another week or two. If you still haven't gotten your period, test again, make sure to use first morning urine. If that test is negative wait until your next period is due, see if you miss that one as well. If you do, try another test or see your doctor for a more accurate blood test.