How do you carry your baby?

Annie β€’ 23 years old. Diagnosed with PCOS & hypothyroidism. Married for 5 years. Ellie Rose πŸ’•πŸ‘ΆπŸΌ & Millie Jean πŸ’•πŸ€°πŸΌ
This could be a dumb question. But how do you carry your baby? Your newborn? Do you carry them in their car seat? Do you use a baby carrier like a wrap? For example, when you go for checkups at the hospital or go to Walmart for errands, do you use a stroller + car seat combo or do you use a carrier?