Anyone had this?

Emma • Hi im Emma, im 29 years old! I have 2 children one 6 one 4 and trying for a much wanted 3rd baby to complete the gang!
So im ttc baby#3! 
I ovulated on new years <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a>, yesterday my boobs felt odd like a heavy type of feeling, just now iv been to toilet & noticed a tiny bit of blood in my underwear & now i have a little heavy feeling in my lower tummy. AF isnt due till the 14th & im almost always bang on time. Help! X