Preterm infants, how many weeks can survive, first let's talk about the concept of preterm birth. The concept of preterm birth is more than 28 weeks but less than 37 weeks, this is called premature birth. However, with the improvement of neonatal resuscitation technology, in China, if it’s after 26 weeks, the vast majority of newborns can also survive. But after survival, the cost is quite high. For instance, if it's in a top-tier hospital, the cost for newborns born between 26 and 28 weeks can be around several hundred thousand yuan. So, even after some medical insurance policy reimbursements, you would still have to spend around tens of thousands of yuan on your own.