| Category | Description | Examples |
---|---|---|---|
Antepartum stillbirths | A1 | Congenital malformations and chromosomal abnormalities | Anencephaly, encephalocele, microcephaly, congenital hydrocephalus, spina bifida, etc. |
 | A2 | Infection | Congenital syphilis, congenital malaria, congenital rubella syndrome, congenital TB, etc. |
 | A3 | Antepartum hypoxia | Intrauterine hypoxia. |
 | A4 | Other specified antepartum disorder | Vasa previa, ruptured cord, twin-twin transfusion, Intraventricular (nontraumatic) haemorrhage, Rhesus and ABO isoimmunization, etc. |
 | A5 | Disorders related to fetal growth | Small for gestational age, macrosomia, post-term, etc. |
 | A6 | Antepartum death of unspecified cause | Intrauterine death of unspecified cause |
Maternal conditions | M1 | Complications of placenta, cord and membranes | Abruptio placentae, prolapsed cord, chorioamnionitis, etc. |
 | M2 | Maternal complications of pregnancy | Premature rupture of membranes, oligo- and polyhydramnios, ectopic pregnancy, multiple pregnancy, etc. |
 | M3 | Other complications of labour and delivery | Breech delivery and extraction, forceps delivery, Caesarean delivery. |
 | M4 | Maternal medical conditions | hypertensive disorders, maternal injury, maternal use of tobacco, alcohol or drugs, etc. |
 | M5 | No maternal conditions | No condition identified. |