I have a miscarriage recently, when can I start testing? Mira May 09, 2022 06:04 Updated We suggest you start testing after you get your period. Related articles I don’t know my cycle length, what do I need to enter? How many wands do I need to buy? What fertility hormones does Mira measure? How do I test? I'm pregnant! Can I test hCG? Comments 0 comments Article is closed for comments.