Exposed to fifth disease

Laura

My 4 year old daughter was just diagnosed with fifth disease so I’ve been exposed and I’m 17w5d pregnant. I’m very upset. Called my OBGYN after hours number. They recommended I call back Monday morning to request antibody testing but I think I’m already starting to get sick (headache and sore throat). Can anyone tell me anything reassuring? I’ve been so upset all weekend. Thank you