Contractions at 34 weeks of gestation do not necessarily mean preterm labor, but after 34 weeks of gestation, if the contractions are irregular and occur occasionally, they are ineffective. At this time, the length of the cervical canal can be measured, if the length of the cervical canal is short and shrunken, it indicates preterm labor, you need to be hospitalized to protect the fetus, injecting drugs to calm the fetus and inhibit contractions, such as injection of magnesium sulfate, after 2 days, if it is ineffective, security can be used to prevent preterm labor, if the treatment is ineffective, there are regular contractions, that is, every 5-6 minutes, the duration of 30 seconds or more, the cervical canal is gradually flattened and opened, and the water breaks is It indicates preterm labor. However, the fetus is basically mature at 34 weeks of gestation and has a high survival rate, so the patient does not need to worry too much.