Table 1.

Clinical and pathologic characteristics of patients with mRNA SARS-CoV-2 vaccination during pregnancy.

Case	Patient age	Type	# of doses during pregnancy	Vaccine to delivery interval (days)	Gestational Age (weeks)	Co-morbidities	Placental weight (grams)	Placental weight percentile
19	41	Pfizer	1	2	39	Advanced maternal age	710	>90%
24	30	Pfizer	2	2	40	Post partum hemorrhage	630	>90%
29	37	Pfizer	1	4	34	None	1071	>90%
25	34	Moderna	2	4	37	Intrauterine growth restriction	385	<10%
27	41	Pfizer	1	4	37	None	668	10–25%
26	34	Moderna	2	4	38	Pregnancy induced hypertension	448	10–25%
28	30	Pfizer	2	4	39	None	507	25–50%
8	41	Pfizer	1	5	32	Placenta previa, advanced maternal age	378	50–75%
30	31	Pfizer	1	5	38	Cholestasis of pregnancy	590	75–90%
31	36	Pfizer	2	5	40	None	470	10–25%
32	37	Moderna	1	6	36	Premature rupture of membranes	366	<10%
18	31	Pfizer	1	6	39	Graves disease	565	50–75%
33	30	Pfizer	2	6	39	Intrauterine growth restriction in prior pregnancy	402	10–25%
10	33	Moderna	2	7	36	Intrauterine growth restriction	358	<10%
34	30	Pfizer	1	8	6	None	N/A	Fragmented
35	34	Pfizer	1	8	39	None	793	>90%
36	38	Pfizer	1	9	9	None	N/A	Fragmented
37	31	Pfizer	1	10	26	HELLP syndrome	134	<10%
38	37	Pfizer	1	10	36	Preeclampsia with severe features	400	10–25%
39	34	Pfizer	1	10	39	Small for gestational age	423	<10%
21	32	Pfizer	2	10	40	None	557	50–75%
40	34	Moderna	1	11	33	Premature rupture of membranes	449	<10%
4	40	Pfizer	1	13	16	None	N/A	N/A
6	33	Moderna	2	13	17	None	N/A	N/A
41	30	Pfizer	2	13	36	Fetal lower urinary tract obstruction	409	10–25%
42	34	Pfizer	1	13	39	In vitro fertilization	546	50–75%
43	32	Pfizer	1	13	40	Decreased fetal movement	520	25–50%
44	37	Pfizer	1	14	34	None	455	50–75%
17	35	Pfizer	1	14	39	Type II diabetes	529	50–75%
45	40	Pfizer	1	15	13	None	N/A	Fragmented
1	38	Moderna	1	16	8	None	N/A	N/A
15	35	Moderna	2	16	38	History of placenta accreta	361	<10%
46	29	Pfizer	1	18	23	Premature rupture of membranes	104	<10%
47	35	Pfizer	2	20	38	Pregnancy-induced hypertension	637	>90%
48	38	Pfizer	1	21	36	None	454	50–75%
5	34	Moderna	1	23	17	None	N/A	N/A
14	35	Moderna	2	25	37	Intrauterine growth restriction	291	<10%
11	24	Moderna	2	32	36	Preeclampsia with severe features	540	75–90%
13	32	Moderna	2	34	37	Gestational diabetes	424	10–25%
9	32	Pfizer	2	38	35	Preeclampsia with severe features	421	25–50%
22	33	Moderna	2	38	40	None	560	50–75%
16	39	Moderna	2	39	38	None	477	25–50%
12	31	Pfizer	2	45	36	Preeclampsia with severe features	424	25–50%
3	35	Moderna	2	46	9	None	N/A	N/A
7	38	Moderna	2	51	30	Pre-term labor	202	<10%
20	39	Moderna	2	65	39	None	586	75–90%
2	36	Pfizer	2	68	9	None	N/A	N/A
23	25	Pfizer	2	79	41	Non-reassuring fetal heart rate	514	25–50%