when to test.

Crystal • 👼 06/07/18 🌈👶 aug/2019 👶aug/2022

so my period was supposed to show up today and she hasnt. I always get cramps 3 days before my period and I haven't had any. typically my period would start a day before the app says or the day of. my husband and I have been trying for almost a year. should I wait.?