This question cannot be answered without more information. To determine if Paul's mother is pregnant, we need additional details about Paul's mother and her current situation.
Here are some examples of information that would be helpful:
- Paul's age: If Paul is a young child, it's less likely his mother is pregnant.
- Paul's mother's age: Women of childbearing age are more likely to be pregnant.
- Any recent announcements or news: Has Paul's mother mentioned anything about a pregnancy?
Without further details, it is impossible to answer the question definitively.