Early ovulation

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After my last post I visited the Epau and they said I most probably had an early miscarriage, i am sure this was because I had a short luteal phase, which is what happened before I got pg with no1. Anyway my reason for posting is because on day 8 right after af stopped I got creamy white cm, which has never happened so early, I am sure I can also feel ov pain, only slightly, I took an ok and it came up with a line which was not as dark so I know that it's a negative, but what do people think, is it usual to ovulate early when you usually ov between cd18 to 24?? I have also been taking b6, but only for about five days, responses would be appreciated xx