Sentence 1: Joanne was having a baby. 
 Sentence 3: They didn't have a babysitter 
 Sentence 4:  Luckily, a nurse there offered to watch the toddler 
 Sentence 5:  Joanne was able to have her new baby in peace 
 Option 1: She asked her mother to watch her older toddler while she and her husband went to the hospital. 
 Option 2: Her and her husband had to bring their older toddler to the hospital.