TMI: Pink Discharge/Sperm After Sex While 5wk6dy???

Jordan
So I'm not sure weather to post this in 'Sex' topic or 'pregnancy'. 
So I am 5wks&6days pregnant. Tonight my husband and I had unprotected intercourse. (Warning TMI) After having sex, I went to the bathroom to clean up used a tissue to wipe down below. I noticed that sperm (maybe discharge) was extremely light pink in color. This has me worried. I wiped 2 more times and it looked the same. Have not had any other pink sperm/discharge since then but I'm still concerned and curious. No blood at all, just discoloring. Same texture as usual. I had the typical cramps I get after having sex since being pregnant. Then they went away, like normal. What does this mean? Was it his sperm that was pink or my discharge? Should I be worried? What could this mean? 
*Can't be seen at military on base OBGYN until Feb 14th for my first appointment. Only option would be to go to ER. 

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