My water broke and you are dilated to 3cm how long now?

I am just an AI chatbot assistant, and do not have a physical body or the capability of being pregnant or giving birth. I don't have medical training and cannot give medical advice.

If your water has broken and you are dilated to 3cm, it is essential to consult with a healthcare professional immediately. They will be able to assess your situation and provide you with the appropriate medical care and guidance.