nexoplanon and pregnancy?

Dr
So I've read over and over again that people thought they were pregnant with the nexoplanon at first, that they were SO sure, and also that the chance of pregnancy is extremely extremely low. Wellllll....I'm in the same boat. If it wasn't for all those people I read that were so sure I would be super sure too. So far my symptoms are 
A slightly dropped milk supply (hard to tell how much since I don't pump)
Funny mood swings and my PPAnxiety returning.
Extreme fatigue. Needing naps and falling asleep at 9:30 type of fatigue. 
Sharpened sense of smell
Foods tasting off.
And of course no period. Aunt flow hasn't returned yet so I can't say she's missing completely. 
I'm four months PP and I've had the nexoplanon since very early augest. Had sex two weeks after. To be clear I'M NOT ASKING IF IM PREGNANT. Yes yes I know "take a damn test" (too scared lol 🙈)
I'm asking if these are the kind of symptoms that are normal for nexoplanon and when did the "I feel pregnant" go away for you? 
 

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