If an ultrasound detects no heartbeat, it is a perfectly normal procedure to check again, assuming no other signs of major issues. It can be difficult to detect a heartbeat earlier in a pregnancy, so a week or two wait gives much clearer confirmation of a miscarriage. This is standard medical care.
The Texas abortion law they are talking about did not make this happen. " A physician does not violate this section if the physician performed a test for a fetal heartbeat under Section 171.203 and did not detect a fetal heartbeat. " The law did not make the doctor schedule a second test. One test is explicitly sufficient. However:
No fetal heartbeat on an early ultrasound may mean a miscarriage—but other factors might also be to blame. Here's what you need to know.
www.verywellfamily.com
" There are a few possible reasons for the absence of a heartbeat on ultrasound. If you have no other symptoms, rechecking with another ultrasound seven to 10 days is the most common recommendation. "