Terms and Definitions Flashcards
Nullipara
A woman who has never been pregnant beyond 20 weeks
Gravid
The number of pregnancies, regardless of outcome
Para/parity
The number of babies born after 20 weeks gestation
G6, P4
Gravida 6, Para 4 means pregnant 6 times (includes current) and has previously delivered 4 babies at more than 20 weeks gestation
Grand mulitpara
Woman who has delivered 5 or more babies at more than 20 weeks gestation
abortion / miscarriage
pregnancy loss before 20 weeks gestation
labour
regular painful contractions with cervical change after 20 weeks
LUSCS
operative delivery of the baby through an incision in the lower uterine segment
classical c section
operative delivery of a baby through a vertical incision in the upper segment of the uterus
hysterotomy
operative delivery of the baby through a uterine incision at less than 20 weeks gestation
preterm labour
labour at less than 37 weeks
PROM
rupture of membranes before onset of labour
PPROM
rupture of the membranes before labour at less than 37 weeks gestation
ARM / AROM
artifical rupture of the membranes
SROM
spontaneous rupture of the membranes
Braxton Hicks contractions
painless uteirne contractions in the antenatal period
Naegles rule
To estimate probable date of confinement.
Add 9m7d to first day of last menstrual period. Correct if not 28d cycles
First stage of labour
From start of labour until full dilation of the cervix
Second stage of labour
From full dilation of cervix to delivery of the baby
Third stage of labour
From birth of baby until delivery of placenta and membranes
Spurious or false labour
uterine contractions which may be regular and painful but are not associated with cervical effacement and dilation
Oxytocic
Medication that stimulates contractions of the uterine muscle
Tocolytic
Medication to stop uterine contractions
Induction of labour
Process causing labour to commence
Augmentation of labour
process of stimulating a labour that has already started
placenta praevia
placenta that approaches or covers the internal cervical os in late second or third trimester
vasa praevia
fetal vessels lying in the membranes in front of the presenting part
antepartum haemorrhage
bleeding >5ml from the vagina after 20 weeks gestation
abruption
separation of the placenta from the uterus in the antenatal or intrapartum period
post partum haemorrhage
vaginal bleeding of more than 500mL in the first 24h after delivery
secondary post partum haemorrhage
vaginal bleeding of more than 500mL more than 24h after delivery
placenta accreta
placenta that invades the myometrium
uterine atony
abnormal relaxation of the uterus after delivery, usually causing bleeding
isoimmunisation
blood group antibodies cross the placenta resulting in haemolysis of foetal red blood cells. Abs include D, c, K (Kell), Kidd, Duffy etc
CTG
cardiotocograph
neonatal death
a liveborn infant who dies within 28 days of birth of at least 20 weeks gestation or weighing >400g if gestation is unknown
stillbirth
an infant born after 20 weeks gestation (or >400g if gestation unknown) who did not show any signs of life after birth
perinatal mortality rate
the number of stillbirths plus neonatal deaths per 1000 births