Miscarriage

Question 1

Definition of Miscarriage

Answer 1

Spontaneous termination of pregnancy from conception till age of viability

Question 2

Definition of abortion

Answer 2

induced termination of pregnancy from conception till age of viability

Question 3

Definition of recurrent miscarriage

Answer 3

3 or more consecutive 1st trimester miscarriage (1%)

Question 4

Definition of Recurrent Pregnancy Loss RPL

Answer 4

3 or more consecutive pregnancy loss before 24 weeks

Question 4

when are clinicians encouraged to start evaluation after miscarriages

Answer 4

after 2 consecutive 1st trimester miscarriages.
or 3 non-consecutive 1st trimester miscarriages

Question 5

Incidence of miscarriage

Answer 5

15-20%
(80% In 1st trimester)

Question 6

Miscarriage as a risk factor of further miscarriages

Answer 6

1 -> 20% risk of repeat miscarriage
2–> 30%
3 –> 40%

Question 7

Rates of chromosomal abnormalities in each trimester miscarriage

Answer 7

1st: 50%
2nd: 35%
3rd: 5%

Question 8

most common chromosomal abnormality in miscarriage

Answer 8

Most common: Monosomy X
2nd most common: Trisomy 16

Question 9

Most Frequently identified chromosomal anomaly

Answer 9

Autosomal Trisomy

Question 10

Most common Trisomy in miscarriage

Answer 10

Trisomy 16

Question 11

age-related risk of miscarriage

Answer 11

12-19: 13%
20-24: 11%
25-29: 12%
30-34: 15%
35-39: 25%
40-44: 51%
>45: 93%