A Republican congressman vying to unseat Democratic Sen. Mary LandrieuMary LandrieuLouisiana gov: Trump helped 'shine a spotlight' on flood recovery Giuliani: Trump 'more presidential' than Obama in Louisiana visit Former Dem senator thanks Trump for visiting Louisiana MORE announced Thursday that his unmarried teen daughter is pregnant, according to multiple reports.
"Earlier this year, Laura and I learned we will become grandparents this summer," Rep. Bill Cassidy, a medical doctor from Baton Rouge, said in a statement to NOLA.com/The Times-Picayune late Thursday.
The announcement comes as Cassidy is considered the GOP leading contender challenging Landrieu in a closely-watched midterm race.
Landrieu is one of the most vulnerable Democrats running for reelection.
Cassidy's daughter is a rising senior at a high school in Baton Rouge.