A woman’s midwife or an obstetrician who can perform the ultrasound and make an x-ray can tell a lot about the birth.

But what if the ultrasound does not come with a live operator, or the operator is not available?

Here is what you need to know.

Read more: “I can’t get pregnant because of an ultrasound that isn’t in my office,” said Jia Yuan, an obstetrics resident at the University of Wisconsin-Madison, whose lab is one of the first to have a live ultrasound.

“You can’t be confident about it because you don’t know what it looks like,” she said.

“You have to wait for an appointment with the provider.”

Read moreThe obstetric clinic in Beijing recently offered a live-in ultrasound service for the first time.

The service cost 100 yuan ($2.45) for an in-person appointment, and the service also provided in-home ultrasound and x-rays, according to a news release.

It’s unclear whether the ultrasound would be able to detect pregnancy because the lab in Beijing did not have a dedicated ultrasound machine, and so had to rely on live operators.

For women who can’t use the ultrasound to perform an abortion, the ultrasound may provide a better estimate of how much fetal tissue is left in the womb, said Jennifer Chen, an associate professor of obstetics and gynecology at Duke University School of Medicine.

She also said the service could be useful for women who want to get pregnant and want to be sure they don’t miscarry.

“It’s not just a health care service, it’s a medical service,” she told Reuters Health.

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The article was originally published on January 22, 2018.