25 weeks pregnant: Pregnancy symptoms and your baby's developmentYour baby may only be the size of an eggplant, but oh how he has developed. His skin is now turning pink and he has a routine as early as now (find out what it is!). As for you, mom, you're feeling aches and discomforts. Remaining active even just by walking, if doctor-approved, will keep aches at bay. And remember to stay hydrated.