Advice!!! Please!??

My period was January 1-5th, I ovulated the 16th. I've been feeling shitty. Including symptoms like (nausea, I vomited once which was this morning, very moody, very tired, tender boobs, cramping so much, i have no energy, frequently urinating, back aches.) just wondering.. Are these pregnancy signs?? Been TTC for over 2 years. I'm due for my next period on January 31st! When should I test? I don't wait till the 31st. So is Wednesday okay too?? (January 27th)?? I'm so confused on why I have these symptoms... I've never got em in the past besides cramping!!.