Causes of bleeding in pregancy Flashcards Preview

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Flashcards in Causes of bleeding in pregancy Deck (15):
1

What are the three major causes of bleeding in the first trimester?

Spontaneous abortion, ectopic pregnancy and hydratidiform mole

2

What are the three major causes of bleeding in the second trimester?

Spontaneous abortion, hydratidiform mole and placental abruption

3

What are the four major causes of bleeding in the third trimester?

Bloody show, placental abruption, placenta praevia and vasa previa

4

"Rupture of membranes followed immediately by vaginal bleeding, classically with fetal bradycardia" Is a typical history of what?

Vasa praevia

5

"Vaginal bleeding without pain or uterine tenderness but potentially abnormal lie and presentation" is a typical history of what?

Placenta previa

6

Constant lower abdominal pain and, woman may be more shocked than is expected by visible blood loss. Tender, tense uterus with normal lie and presentation. Fetal heart may be distressed" is a typical history of what?

Placental abruption

7

"Typically bleeding in first or early second trimester associated with exaggerated symptoms of pregnancy e.g. hyperemesis. The uterus may be large for dates and serum hCG is very high" Describes what?

Hydatidiform mole/molar pregnancy

8

"Typically history of 6-8 weeks amenorrhoea with lower abdominal pain (usually unilateral) initially and vaginal bleeding later. Shoulder tip pain and cervical excitation may be present" Describes what?

Ectopic pregnancy

9

What is the typical pattern of bleeding for a threatened miscarriage?

Painless vaginal bleeding typically around 6-9 weeks

10

What is the typical pattern of bleeding for a missed/delayed miscarriage?

light vaginal bleeding and disappearance of symptoms of pregnancy

11

What is the typical pattern of bleeding for an incomplete miscarriage?

Heavy bleeding and crampy lower abdominal pain

12

What is the typical management of placenta praevia?

Transexamic acid to reduce blood loss, red blood cells and plasma to compensate. Cadiotocograph to asses status of the foetus Emergency C-section if risk to the mother is too high

13

What blood test would one use to monitor the status of an ectopic pregnancy and its management?

hCG

14

What is first line medical management for an ectopic pregnancy?

Methotraxate single dose regimen

15

What is the mode of action of methotrexate?

folic acid antagonist that disrupts rapidly dividing trophoblastic cells