Hey,
So when I was 5 days late I took a home pregnancy test and it was false so I decided to wait a few days and on the 9th day I was late I took a Blood pregnancy test but it came out negative too. Im really sad because I thought I was pregnant. Its now Monday and I am 12 days late. I don't know what to do. :(
Can someone help me

There may be other reasons for a late period. Wait another week or so and if it doesn't come take another pregnancy test. If you're still really late next week try contacting your doctor and get a real pregnancy test. It could be something else that's causing your lateness.

Lots of factors can cause a woman to be as late as you are. Stress, diet changes, medications, weight loss, etc.

Try to relax a bit and test again in a week. If nothing still, call your doctor.

It is not entirely uncommon to miss an entire period. If HPT and blood pregnancy tests are coming back negative you should just wait until when you are due next month. Or if you are really stressing, get back with your doctor... they can put you on a medication like Prometrium to induce your period.