Test or Wait

Here's the deal- I'm on day 35 of my cycle. Since my misscarriage in July my cycle has been outta sync. Usually I'm a regular 31 day cycle. Since the MC I've had two 32 day cycles. My old fertility app says I'm 4 days late but glow says my cycle is 38 days (due to start Saturday October 18) I BD'ed on the 30th of September which glow predicted was my fertile day (making today possibly 14 days since conception- fingers crossed). I always jump the gun and test too early then get discouraged by BFN. Also- I'm on advocare so I don't know if the diet has thrown everything off. Andddd I'm not having many signs of AF or pregnancy (but I didn't when I was pregnant before the misscarriage either...)