First Time taking ovulation tests, According to my app I'm supposed to ovulate Tomorrow CD 19, I've been testing from CD 15, got negatives CD 15, 16 and 17 today CD 18 I took 2 tests , they look much darker but I'm unsure does the two last one's look positive? TTC for about 3 years , but we suspect my hubby might have a low sperm count, I'm testing again tomorrow just incase