Hi. Im 18 years old & I need someone's help. PLEASE!! I started having periods when I was nine. I had some ups & down periods. For the last 5 years I been having a
Regular ones. I usually start between the 16th-23rd. Now my last period was October 17th. I didn't have a period in November or December. I took a home test in the middle of November & the end, came out negative. I took a blood tesr in the 15th came out negative. Now here is January 2nd & I'm spotting brown. What can be wrong?

Infection, STD, stress, other body changes.

You should go to the doctor for an exam at this point