Did I ovulate twice.

I'm doing my first round of clomid. I've been trying to do ovulation test but I get positives and negatives all over the place. So I am trying to rely on BBT. When CD16 came I had awful cramps and EW cm and a dip and rise in temp. So I thought I was ovulating. But I had the same thing happen on CD18 with the same symptoms! Could I of ovulated twice?

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