Question
Elsa is pregnant. She will only have to worry about Rh disease if
she is Rh+ and her baby is Rh-
she is Rh+ and her baby is Rh+
• she is Rh- and her baby is Rh-
• she is Rh- and her baby is Rh+
Answer
She will only have to worry about Rh disease if she is Rh- and her baby is Rh+.