health history assessment

physical assessment

Psycho-social support status assessment

Auxiliary inspection

anxiety

Risk of fetal injury

Complications of premature infants are detected and dealt with promptly

Maternal anxiety is reduced, the mood is stabilized, and the mother actively cooperates with treatment and care.

Extend gestational age and improve survival rate of premature babies

psychological care

health guidance

Are neonatal outcomes good?

Whether the maternal anxiety is reduced, whether the mood is stable, and whether the premature infant can be fed well

irregular uterine contractions

Small amount of vaginal bleeding

bloody discharge

Regular contractions, 5 to 6 minutes apart

Lasts for more than 30 seconds

≥4 contractions in 20 minutes or ≥8 contractions in 60 minutes

Cervical canal progressively shortens by ≥80% or disappears

The cervix is ​​dilated by more than 2 cm

Prevent immediate premature birth, promote fetal lung maturity, and gain transit time

Avoid the combined use of two or more tocolytics

It is not advisable to continue tocolytic therapy after 48 hours

Application of drugs to inhibit uterine contractions, fight infections and promote fetal lung maturation

Lying on left side

Calcium channel blockers, such as nifedipine

Beta-adrenoceptor agonists, such as ritodrine, salbutamol

Magnesium sulfate

Prostaglandin inhibitors, such as indole magnesium zinc

Glucocorticoids

betamethasone and dexamethasone

For premature rupture of membranes before term, prophylactic antibiotics must be used

Cutting off the umbilical cord of premature infants for 30 to 120 seconds after birth can reduce neonatal blood transfusions. 50% of newborns have intraventricular hemorrhage

Pregnancy from 28 weeks to less than 37 weeks (196-258 days) or newborn with birth weight ≥1000g standard

spontaneous premature birth

therapeutic preterm birth

spontaneous premature birth

therapeutic preterm birth