Complications of Pregnancy Flashcards
(214 cards)
Definition of abortion/spontaneous miscarriage
Termination/loss of pregnancy before 24 weeks gestation with no evidence of life
Types of spontaneous miscarriage
threatned inevitable incomplete complete septic missed (early foetal demise)
Definition of threatned miscarriage
Bleeding from the gravid uterus before 24 weeks gestation when there is a viable foetus and no evidence of cervical dilatation
Definition of an inevitable miscarriage
Abortion becomes inevitable if the cervix has already begun to dilate
Definition of incomplete miscarriage
Only partial expulsion of the products of conception
What is there a risk of after an incomplete miscarriage?
Ascending infection into the uterus which can spread throughout the pelvis (septic abortion)
Definition of complete miscarriage
Complete expulsion of all the products of conception
Definition of septic miscarriage
After incomplete abortion then risk of ascending infection which can spread throughout the pelvis
Presentation of threatened miscarriage
Vaginal bleeding and pain
Viable pregnancy
Closed cervix on speculum examination
Presentation of inevitable miscarriage
Viable pregnancy
Open cervix
Bleeding that may be heavy +/- clots
Presentation of missed miscarriage (early foetal demise)
No symptoms possibly
Bleeding/brown loss vaginally
Gestational sac seen on scan
No clear foetus (empty gestational sac) or a foetal pole with no foetal heart seen in the gestational sac
Presentation of an incomplete miscarriage
Most of the pregnancy expelled out but some of the products remaining in the uterus
Open cervix
Vaginal bleeding (may be heavy)
Presentation of complete miscarriage
Passed all products of conception
Cervix has closed
Bleeding has stopped
Causes of spontaneous miscarriage
Abnormal conceptus (genetic, chromosomal, structural)
Uterine abnormality (congenital, fibroid)
Cervical incompetence (primary - born with it or secondary - treatment to the cervix due to a bad smear i.e. iatrogenic)
Maternal increasing age
Maternal diabetes
Maternal SLE
Maternal thyroid disease
Maternal infection e.g. appendicitis
Hormonal imbalances (corpeus luteum, progesterone level lower)
Unknown
Treatment of missed miscarriage
Conservative
Prostaglandins (misoprostol)
SMM
What does SMM stand for?
Surgical management of miscarriage
Treatment of an inevitable miscarriage if the bleeding is really heavy
Evacuation
Treatment of septic abortion
Antibiotics
Evacuate uterus
Definition of ectopic pregnancy
Pregnancy implanted outside the uterine cavity
Most common site of ectopic pregnancy
Ampulla
How common is an ectopic pregnancy?
1 in 90 pregnancies
Risk factors for ectopic pregnancies
History of PID Previous tubal surgery/scarring previous ectopic pregnancy Assisted conception (IVF) Mirena or copper coil
Presentation of ectopic pregnancy
period of amenorrhoea (wih +ve urine pregnancy test)
vaginal bleeding
pain in abdomen
GI or urinary symptoms
If has ruptured, usually features of hypovolaemic shock
Investigations of ectopic pregnancy
History and examination
- pain more prominent on one side
Serum BhCG levels
- increased levels in pregnancy by 66% ish and serially track levels over 48 hour intervals
USS
- No intrauterine gestational sac
- empty uterine cavity
- May see adnexal mass (outside uterine cavity)
- fluid in pouch of douglas
Serum progesterone levels
- viable IU pregnancy levels >25ng/ml