Zona insists she’s been pregnant for three years, seven months, but says no doctor will believe her and that pregnancy tests show no baby. However, she says her Doppler machine picks up her babies’ heartbeats, so she’s certain she’s carrying a child -- and possibly six.

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Shayna says she, too, has been pregnant for over a year. She says her tests have also shown no signs of pregnancy, but she says she doesn’t believe the results. She says the results are wrong because her “insides are not like every other female.”

Dr. Phil arranges for the women to have an ultrasound and an exam by prominent OB-GYN Dr. Thais Aliabadi, who also determined that there are no babies in either women.

WATCH: How Two Women May Be Convincing Themselves They’re Pregnant When Medical Tests Confirm They’re Not

In the video above, Dr. Phil asks the women, “What if you’re not pregnant?” How do they respond? Is there anything that will convince them that they are not pregnant like the medical test results show?

This episode airs Tuesday. Watch more here.

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Woman Claims She Has A Cryptic Pregnancy, But Does She Understand What That Means Medically?