We recommend the STAUD Quinn Leather Sandal as an excellent choice for your first trimester. As your body begins to subtly shift, comfort and stability are paramount, and these flat sandals deliver on both. The soft leather construction ensures flexibility and prevents any uncomfortable constriction, while the open, square toe offers ample room, accommodating any early swelling without feeling restrictive. The self-tie ankle wrap, though requiring a slight bend to secure, allows for complete adjustability, ensuring a perfect, customized fit that won't dig or bind. This chic lilac hue, combined with the elegant design, means you're investing in a stylish piece that works seamlessly with your existing wardrobe, completely avoiding any overt 'maternity' signals. They're perfect for maintaining your pre-pregnancy style while providing the foundational comfort you need.