Questions about Singaporean give birth in msia.

Mummies. Does anyone has any experience giving birth in msia? With Singapore citizenship. Need advice on the below a. If gave birth in msia. What citizenship does baby hold? b. Can I apply singapore citizenship for baby in msia instead. c. How long can v stay in oversea as I plan to do my confinement there with my fam to taking care of us. Thank you in advice for the kind advice.