Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 5 months ago

Bismihi ta'ala

As long as the infant child you are currently breastfeeding has not reached the age of weaning, then there is no shar'i problem in continuing to breastfeed the baby.

Of course, you should consult your doctor and ask if continuing to breastfeed while pregnant will make you weak, or bring about any other problems. 

And Allah knows best.