Ovulation

So sorry for this long post but...Is ovulation sometimes different for y’all each month? Last month I had the worst cramps and had EWCM for two days followed by mild cramping for about 3-5 days after ovulation.. this month I have not had any EWCM, but ive been crampy like how I was last month after I ovulated. Im also not 100% on WHEN I could have ovulated bc I unfortunately ran out of test strips (one app says dec 29th, another says jan 2nd) but I did test on 12/27 with my last strip and it was decently high as if I was gearing up to ovulate soon... and then about 5 days later I found some clearblue ovulation tests and decided to take them these past days and they have been decently high as well.. not quite positive I don’t think, but still higher than it should be at this point in my cycle. SO basically I’m either 3DPO or 7DPO and I just don’t know what to think. I guess im just trying to ask..Have any of y’all conceived successfully w/o the presence of EWCM??