35 weeks premature babies usually need 1-2 months to be as normal, but the exact time is related to the child’s individual constitution.
Children born earlier than 37 weeks are preterm, because of imperfect development, so the body of preterm babies is generally more delicate, after birth need to be carefully cared for in the incubator, be sure to wait until all the indicators of the body are in line with the normal before leaving the incubator, especially the weight needs to reach the relevant standards.
However, there are some differences in physical quality between different children, and they need to be examined by a neonatologist before they can leave the incubator.
In addition, because of the imperfect development of the body, preterm babies are susceptible to infections and need more care to grow up healthily.