is it too early to take a test?

I know it would be way too early to test, but for the past 4-5 days I've been feeling cramps, but it wasn't painful, just today it was pretty painful, been cramping like crazy, pretty bad lower back pains, feeling like I'm about to get a cold, feeling tired, it feels like I didn't sleep well, because it hurts everything, my neck, my back... do you think it's the start of something even if it's too early to test?

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