Female age and Miscarriage rates increase beginning in the early 30s - and even more after age 40. This is due to chromosomal problems in aging eggs.
Miscarriage: Video, Anatomy, Definition & Function
Incomplete abortion: Spontaneous Termination of Pregnancy
Spontaneous first trimester miscarriage rates per woman among
Distribution over time of miscarriage types: blighted ovum and
Background rate of spontaneous miscarriage in relation to female
Miscarriages - Classification & Causes
Overview on current approach on recurrent miscarriage and
Miscarriage rates by week: Risks and statistics
Risk score to stratify miscarriage risk levels in preconception