Yes, that answer is correct. ALL of the answers provided are correct. Studies have demonstrated that:

1. poor maternal periodontal health CAN increase an infant's potential for low birthweight and possibly for pre-term or premature birth.
2. ANY infection, including periodontal infection, is cause for concern during pregnancy.
3. pregnant women who have periodontal disease may be SEVEN times more likely to have a baby that is born too early and too small

Betsy will need to receive dental hygiene therapy, which will include the following:

an extra- and intra-oral exam to determine whether suspicious
lesions are present in her tissues
oral assessments, including periodontal probing to determine whether gingivitis and active periodontal disease is present
brushing and flossing instructions
full-mouth debridement to remove plaque and calculus and to assist in controlling any existing periodontal disease
dental radiographs, if necessary
referral to a periodontist or other specialists, if necessary