16 days late.

Monique
My period is 16 days late but I've taken two pregnancy tests and they both came back negative. I have an IUD but my periods haven't ever fluctuated like this. I'm worried. What else could it be? Or could the tests be faulty? 

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors