\- Women, either currently pregnant or recently postpartum, and affected by one or more of the following complications in the index pregnancy: (i) Preeclampsia with evidence of end organ damage (renal/ liver/ haematological/ neurological) or uteroplacental dysfunction (FGR/IUFD) (ii) HELLP syndrome (iii) Fetal growth restriction (FGR) (growth \<10th centile) that is unexplained (ie not due to infection, fetal structural anomaly, fetal chromosomal or pre-existing maternal medical problem) (iv) Intrauterine fetal demise (IUFD) after 20 weeks' gestation that is unexplained (v) Unexplained new onset renal impairment (defined by serum creatinine \>85umol/L 1st trimester, or \>80umol/L 2nd trimester, or \>90 umol/L 3rd trimester\[32\]; OR an increase in serum creatinine by (i) at least 1.5 times the baseline or (ii) of equal or greater than 26.5umol/L (as per KDIGO criteria) (vi) Unexplained new onset thrombocytopenia (platelets \<75x10\^9/L)
You may not be if
Previous diagnosis of TTP or aHUS
Known disorder of complement dysregulation
Patients not wishing to participate
Patients aged less than 16
Patients lacking capacity to provide informed consent
Clareo Health | TTP and aHUS in Complicated Pregnancies