Table.

Swab results and trends in blood tests and observations over time

Event	Timeline
	30⁺⁴	32⁺⁴	32⁺⁶	Day 1 postnatal	Day 3 postnatal	Day 5 postnatal
	12/3/20	26/3/20	28/3/20	29/3/20	31/3/20	02/2/20
	APH (50 mL), first admission	Fever, pink-colored urine, second admission	APH (200 mL),delivery
Symptoms	Sore throat, shortness of breath	Feverish,cough, shortness of breath
Maternal COVID-19 PCR	Negative	Positive
Twin 1 COVID-19 PCR					Negative	Negative
Twin 2 COVID-19 PCR					Negative	Negative
Maternal platelets	154	108	88	104	114	191
Maternal lymphocytes	1.3	0.9	1.1	1.5	1.2	1.3
Maternal ferritin			42		119	86
Magnesium				0.62	0.63	0.61
ALT		8		11		15
Albumin		32		24		26
LDH					428	363
CRP		32	47	74	102	40
Temperature (°C)	36.8	37.1	36.5	37.5	36.8	36.2
PR (bpm)	101	128	72	90	67	58
SBP (mm Hg)	121	109	109	128	108	108
DBP (mm Hg)	64	67	69	80	64	74
RR	16	28	15	18	16	17
O₂ saturation (%)	99	99	96	94	100	98

ALT, alanine transaminase; APH, antepartum hemorrhage; COVID-19, coronavirus disease 2019; CRP, c-reactive protein; DBP, diastolic blood pressure; LDH, lactate dehydrogenase; PCR, polymerase chain reaction; PR, pulse rate; RR, respiratory rate; SBP, systolic blood pressure.

Kuhrt et al. A twin pregnancy complicated by COVID-19 and placental abruption. AJOG MFM 2020.