Time to check : It is time at this point for a work-up to figure out if there is a problem and if so what it is. See a gynecologist for a full history and testing. By 16 you should be having periods although they may be irregular. A year or more apart is more than just irregular. Hope this helps. Best wishes.
Answered 10/27/2016
3.3k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question