Postnatal Flashcards
What period of time is puerperium? What risks are associated with this?
6 week period following delivery, when the body returns to prepregnant state
Maternal morbidity and mortality highest
What changes happen to genital tract during purperium?
- blood vessels are occluded by uterus contraction
- contractions and after pains may be felt for 4 days
- internal os closed by 3 days
- lochia bloodstained for one month, then yellow or white
- menstruation starts at 6 weeks, longer if delayed by lactation
What should be checked daily during puerperium?
uterine involution
lochia
bp
temp
pulse
perineal wound
What two hormones regulate lactation? What are their function
Prolactin from anterior pituitary > stimulate milk secretion
Oxytocin from posterior pituitary > ejection in response to sucking and releases more prolactin
*oestrogen and progesterone antagonize prolactin
What is colostrum?
yellow, fat-laden, protein, minerals passed for first 3 days before milk
What are the advantages of breastfeeding?
protection against infection
bonding
protection against cancer for mother
cost saving
cannot overfeed
What postnatal contraception should be used? When should it be started?
start 4-6 weeks after delivery
COCP - suppresses lactation, C.I. in breastfeeding
POP and Intrauterine device are safe
What is primary postpartum haemorrhage?
> 500ml < 24h after delivery
> 1000ml after C-section
What are the causes of primary postpartum haemorrhage?
4Ts
Tone
Tissue
Trauma
Thrombin
What are some risk factors for the ‘Tone’ cause of PPH?
prolonged labour
grandmultiparity
overdistension of uterus (polyhydramnios, mult. preg., fibroids)
What can be done to avoid PPH? What is a disadvantage of this?
oxytocin in 3rd stage of labour
causes N&V
How would you manage PPH?
Resuscitation
Oxytocin (syntocinon) problem with uterus
Prostaglandin IM (carboprost)
if this fails > evacuation under anaestheic
Rusch balloon to stop bleeding
What is a secondary PPH? Cause?
excessive blood loss between 24 hrs and 12(or 6 weeks)
Endometritis with or without retained placental tissue
What is postpartum pyrexia? Whats the most common cause? most common organisms?
> /38 in first 14 days
genital tract sepsis after C-section
group A strep, E.coli
how does postpartum pyrexia present?
offensive lochia, uterus enlarged and tender