What is a preterm baby, and how many months does it refer to?

Patient's question:

Pregnant 38 weeks, occasionally lower abdominal pain, no other discomfort symptoms, pregnant 38 weeks

Doctor's answer:

Analysis of the condition: Generally, if pregnancy is less than 37 weeks, it is considered premature. Advice: Therefore, for your situation, it is recommended to pay attention to actively doing well in prenatal care, pay attention to rest, and pay attention to promptly check the condition of the fetus at the hospital.