| Weeks | Tasks |
| 0 | Preconception counselling, CST UTD, Flu vax (any time) |
| First visit | Chlamydia testing, Syphilis testing, HIV testing, Hep B testing, MSU, assess proteinuria, fasting glucose, CST if 1st Trimester |
| 6(8)-10 | Dating scan, conception pathology if not already done |
| 10+ | NIPT |
| 9-13+6 | FTS free bHCG and PAPP-A |
| 11-13.6 | FTS UA scan |
| 14-20 | STS Serological estriol, free bHCG, chorionic gonadotrophin, alpha fetoprotein (+/- inhibin A) |
| 18-20 | Offer US for fetal morphology and placental location |
| 24-48 | OGTT |
| 27+ | dTpA |
| 28 | Blood group and antibodies |
| 35-37 | GBS screening (vaginal-rectal swab) |
| +6 | 6 week check up, 75g OGTT if GDM, EPNDS |
