36K views · 332 reactions | The Tony Award winning star of B Positive on CBS, Annaleigh Ashford, makes her first visit to The Late Show to talk to Stephen about the new Broadway-style opening credits and the legendary actors who have joined the cast of her show, including Jane Seymour and Héctor Elizondo. “B Positive” airs Thursdays at 9:30 on CBS and is streaming now on Paramount+. | The Late Show with Stephen Colbert | Facebook

🩸Rh Factor in Pregnancy → Blood type incompatibility is a concern in pregnancy, especially for FETAL health! Here’s why: -When a father has a positive blood type (has Rh factor) and the mother has a negative blood type (lacks the Rh factor), the fetus develops EITHER a positive or a negative blood type -Though it’s rare, accidental mixing of fetal and maternal blood can cause major complications! -The mother will be exposed to the Rh factor, a protein she’s not used to having in her bloodstream