Glow says I do not ovulate until December 3rd and Ovia says my fertile window doesn’t start until the 30th. My cheap opk looks like it…" /> Glow says I do not ovulate until December 3rd and Ovia says my fertile window doesn’t start until the 30th. My cheap opk looks like it…" /> Glow says I do not ovulate until December 3rd and Ovia says my fertile window doesn’t start until the 30th. My cheap opk looks like it…" />