Research And Development - R&D. What is 'Research And Development - R&D'. Research and development (R&D) refers to the investigative activities a business conducts to improve existing products and procedures or to lead to the development of new products and procedures.
Yes, I think a nice blouse, sandels, and capris would be fine, especially if the family/wedding is somewhat casual. Put on what you have and have a good time! If you weren't pg, a heel would be dressy, but you have a good reason to keep close to the ground.
But before you make any wardrobe decisions, pay attention to the dress code on the invitations. Even if it's taking place in the middle of July, if a wedding invite says black tie, you're going to have respect the dress code and wear a bow tie and tux.