Getting preganant V.S. getting a PhD

This ambition just couldn't escape me in the slightest, the ambition of getting pregnant and a PhD at the same time. As a result of my effort in getting a PhD, I have finally received an offer with scholarship doing a PhD with my preferred supervisor in Hong Kong. Unlike the offers I received from Oxford the last two time, I am not as excited as I was with the result. I am thinking of more in life now. A child... I am ready, he is ready... we both are ready physically and mentally. What exactly will be the challenge, we don't know. How can I manage both tasks? It is the question I am searching answers for...