.
Chapters
0:00 Introduction
1:34 Causes of Preterm Birth
2:34 Symptoms ,of Preterm Birth
3:19 Diagnosis of Preterm Birth
3:55 Treatment of Preterm Birth
Preterm birth (PTB), also known as premature birth, is the birth of a baby at fewer than 37 weeks' gestational age, as opposed to full term delivery at approximately 40 weeks.[1] PTB is defined as birth before 37 weeks gestation, very early PTB is before 32 weeks, early PTB occurs around 32-36 weeks, late PTB is between 34-36 weeks gestation and early term birth is delivered at 37-38 weeks gestation [8][9] Late PTB accounts for 75% of all PTB.[10]
These babies are known as premature babies or colloquially preemies (American English)[11] or premmies (Australian English).[12] Symptoms of preterm labor include uterine contractions which occur more often than every ten minutes or the leaking of fluid from the vagina.[13] Premature infants are at greater risk for cerebral palsy, delays in development, hearing problems and sight problems.[1] The earlier a baby is born, the greater these risks will be.[1]
The cause of preterm birth is often not known.[2] Risk factors include diabetes, high blood pressure, multiple gestation (being pregnant with more than one baby), being either obese or underweight, a number of vaginal infections, air pollution including tobacco smoking, and psychological stress.[2][3][14] It is recommended that labor not be medically induced before 39 weeks unless required for other medical reasons.[2] The same recommendation applies to cesarean section.[2] Medical reasons for early delivery include preeclampsia.[15]
25 июл 2024
