preterm

Question 1

classification

Answer 1

Pre-term birth: <37 weeks

b. Very pre-term birth: <32 weeks
c. Extremely pre-term birth <28 weeks

Question 2

def

Answer 2

Defined as labour that occurs after 20 weeks but before 37 weeks’ gestation (less than 259 days from the date of the last menstrual period). It is characterised by “regular” uterine contractions, with >2cm dilation or >80% effacement

WHO definition = the presence of contractions of sufficient strength and frequency to effect progressive effacement and dilation of the cervix, between 20- and 37-weeks’ gestation

Question 3

rf

Answer 3

PROM
multiple gestation 
history 
low socio economic 
abnormal placentation:previa, abruption 
<18 or >40 
uterine abnormalities

Question 4

biggest risk of PROM

Answer 4

going into preterm labour

Question 5

cause of prom

Answer 5

torch infections
smoking
polyhyrdamnios

Question 6

how do we confirm PROM/PPROM

Answer 6

test the ph using nitrazin paper, strips will change from yellow to blue if ph >6

ferning test : under microscope a particular pattern is seen
nile blue test - fetal fat cells in amniotic fluid stained with Nile blue - turns red