When to test??

Kaylie🏳️‍🌈

hello.... so my wife and I did a home insemination on the 25,30, and 2. On Monday, Tuesday, and little yesterday I was cramping in my lower abdomen and back not like period cramps though, and I’ve been getting headaches like crazy, and peeing more then usual along with some smells make me feel nauseous.... I am 7 dpo... when should I test alomgnwith what are the best hpt to use?? does it sound like I could be pregnant?? Please no rude comments thanks.