Early Pregnancy Complications Flashcards
most common problem in early pregnancy?
bleeding
20% have minimal bleeding
causes of bleeding?
implantation bleeding chorionic haematoma cervical - infection - mlignancy - poly vaginal - infection - malignancy (rare) unrelated - haematuria - PR bleeding
EPAC/EPAU?
early pregnancy assessment clinic/unit
open 24/7
symptoms of miscarriage?
positive pregnancy test varied gestation bleeding (mainly) cramping may have passed products
examination in miscarriage?
scan +/- FH speculum exam - os closed (threatened) - products at open os (inevitable) - products in vagina (complete miscarriage)
what is cervical shock?
cramps/nausea sweating nausea vomiting fainting resolves if products removed from cervix
ho is cervical shock managed?
should resolve when products removed
recuscitation with IVI uterotonics may be needed
causes of miscarriage?
chromosomal abnormality
immune (APS/LAC)
infection (CMV, rubella, toxoplasmosis, listeriosis)
severe stress
iatrogenic after CVS (can cause infection or uterine irritability)
associations (heavy smoking, cocaine, alcohol misuse)
uncontrolled diabetes
pathophysiology of miscarriage?
unclear
bleeding from placental bed or chorion causing hypoxia and villous placental dysfunction is proposed to cause embryonic demise
stages of miscarriage?
threatened (risk to pregnancy)
inevitable miscarriage (cant be saved)
incomplete (cervix dilated and bleeding has began but pregnancy tissue still in uterus)
complete (pregnancy tissue has exited the uterus)
early fetal demise (pregnncy in situ, no heartbeat, MSD>25mm, FP >7mm)
anembryonic pregnancy (no foetus, empty sac
what does a missed miscarriage look like?
irregular gestation sac with some bleeding behind it
investigation in miscarriage?
assess haemodynamic disability bloods - FBC - G&S - bHCG US histology
management in miscarriage?
depends on outcomes of investigation (admit or discharge)
conservative/medical/surgical (vacuum)
anti D administration if surgical intervention needed
emotional support etc
what is recurrent miscarriage?
3 or more losses
what can cause recurrent miscarriage?
antiphospholipid syndrome - (test for LAC, ACA and B2glycoprotein1) thrombophilia - test for (factor V leiden and prothrombin gene mutations, protein C, free protein S and antithrombin) balanced translocation uterine abnormality uterine NK cells are hypothesised independant risk factors
what is given in evidence of APS or thrombophilia when pregnant?
use of LDA and daily fragmin injections after confirmation of viable pregnancy
what may help recurrent miscarriage in future?
progesterone
common site of ectopic pregnancy?
fallopian tube interstitial isthmic ampullary fimbrial can also be in ovary, peritoneum or other organs