Adverse outcomes related to asthma during fertility and pregnancy
| Mother | Perinatal | Fetus |
| Subfertility | Preterm birth | Low birthweight |
| Spontaneous abortion | Increased perinatal mortality | Small for gestational age |
| Exacerbations | Increased risk of asthma | |
| Pre-eclampsia | Neonatal hospitalisation | |
| Gestational diabetes | ||
| Placental abruption | ||
| Post-partum haemorrhage | ||
| Caesarean section (planned and acute) |