What is considered day 1 of period?

Amanda

When tracking your cycle what is considered day 1? Is it the first sign of spotting or the first day of full flow?

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