Details of the obstetric events
| Treatment group | Drugs and trimesters of administration* | IBD | Mother's age at delivery (years) | Tobacco/alcohol | Obstetric history | Birth weight (g) | Gestational age (weeks) | Complications |
| Group A | Thiopurine (1/2/3) | CD | 36 | No/no | None | 2420 | 33 weeks and 2 days | Aspiration of meconium |
| Group A | Thiopurine (1/2/3) + clopidogrel | CD | 29 | Yes/no | 10 elective abortions | NA | NA | Umbilical artery thrombosis (therapeutic abortion performed) |
| Group A | Thiopurine (1/2/3) + 5-ASA (1) | CD | 40 | No/no | None | 2410 | 39 | Minor haemolytic anaemia |
| Group B | 5-ASA (1/2/3) | CD | 30 | No/no | None | 3270 | 40 weeks and 5 days | Strangulation of umbilical cord |
| Group B | 5-ASA (1/2/3) | CD | 39 | No/no | 1 spontaneous abortion | 2960 | 38 weeks and 1 day | Respiratory arrest (mucus) and gastro-oesophageal reflux |
| Group B | 5-ASA (1/2/3) | CD | 25 | No/no | None | 2550 | 35 weeks and 3 days | Delayed evacuation of meconium |
| Group B | Anti-TNFα (1/2/3) | CD | 33 | No/no | 1 spontaneous abortion | 1900 | 34 weeks and 4 days | Apnoea in premature twin |
| Group B | 5-ASA (1/2/3) + ursodeoxycholic acid | IBDU | 19 | No/no | None | 2640 | 39 | Neonatal jaundice and respiratory distress (aspiration) |
| Group C | None | CD | 27 | No/no | None | NA | 40 | Maternofetal infection (Streptococcus) |
| Group C | None | CD | 32 | No/no | None | 2350 | 37 weeks and 6 days | Neonatal jaundice |
| Group C | None | CD | 37 | Yes/no | None | NA | 30 weeks and 3 days | Death on the seventh day of life (unknown aetiology) |
↵* 1, first; 2, second; 3, third trimesters of pregnancy.
5-ASA, 5-aminosalicylic acid; CD, Crohn's disease; IBD, inflammatory bowel disease; IBDU, inflammatory bowel disease unclassified; NA, not available; TNFα, tumour necrosis factor α.