When to take a test??

Hello! So I am needing some help because unfortunately for me and my fiancé we are alone in this process. Anyways, I ovulated on the 19th of November and I have been feeling a little different. I have been using the bathroom more often and have been super moody. I know it hasn't been two weeks yet and my upcoming period is in a couple days. I am just asking when should I take a test? I should also mention this is my second period from getting off the implant. Any advice? I would greatly appreciate it! Thanks :)