negative

LMM • Momma to a 👑 O5.O7.12 & 🐶 11.25.16 & 👶🏼 O7.24.18 & survivor. 🎗
I have taken two pregnancy tests , which now both have been negative . Still no period, which is late 5 days! Have a doctor appointment Tuesday . I just want answers 😕😫😒 I don't know what it could be...