Miscarriage

Question 1

Threatened miscarriage

Answer 1

painless vaginal bleeding occurring before 24 weeks, but typically occurs at 6 - 9 weeks
cervical os is closed
complicates up to 25% of all pregnancies

Question 2

Missed (delayed) miscarriage

Answer 2

gestational sac which contains a dead fetus before 20 weeks without the symptoms of expulsion

have light vaginal bleeding / discharge and the symptoms of pregnancy which disappear

gestational sac is > 25 mm and no embryonic/fetal part can be seen it is sometimes described as a ‘blighted ovum’ or ‘anembryonic pregnancy’

Question 3

Inevitable miscarriage

Answer 3

cervical os is open
heavy bleeding with clots and pain

Question 4

Incomplete miscarriage

Answer 4

not all products of conception have been expelled