It’s a way to approximate fetal age without an ultrasound and make sure development is progressing as expected. So while pregnant its actually a relevant question. Asking every time is one way to ensure that records/expectations are correct, same reason they ask your birthday like 3 times between checkin, the nurse, and the doc.
For women with less standard cycles I’m sure it is more annoying.
When my ex was pregnant with our kid, they asked this at EVERY. SINGLE. APPOINTMENT.
It’s a way to approximate fetal age without an ultrasound and make sure development is progressing as expected. So while pregnant its actually a relevant question. Asking every time is one way to ensure that records/expectations are correct, same reason they ask your birthday like 3 times between checkin, the nurse, and the doc.
For women with less standard cycles I’m sure it is more annoying.