It takes time for your hormones to be normal to even start lubricating. Most ladies will feel normal after 3 months. If you had virginal birth, maybe need more time to heal, and its norm to feel tighter cox maybe your doctor did a good sewing job.
Actually if you’re breastfeeding, you will be dry and it will be painful. Maybe use a lubricant? But day 29 is really quite soon
It might be too early ... will take 6 weeks for body to fully recuperate after childbirth