Who's the Father of Jenny's Baby? (Silhouette Romance) Mass Market Paperback – May 1, 1998 by Donna Clayton
 
When Jenny woke at the hospital, all her memory had been erased. Not even knowing her own name, Jenny faces a man named Luke who claims to be her husband and his brother Chad. The doctor tells her the baby she’s carrying is fine, but she doesn’t remember being pregnant. To make matters worse, Chad claims to be the baby’s father. Chad is an attractive man, but she feels comfort in Luke. "Was I really an adulteress who had an affair with my husband’s brother?"
 
4.10