Instruct: Identify the main category of Medrxiv papers based on the titles
Query: Seroprevalence of SARS-CoV-2 during pregnancy and associated outcomes: results from an ongoing prospective cohort study, New York City
2
The categories of this paper are: medicine
61
The categories of this paper are: dermatology
29
The categories of this paper are: anesthesia
58
The categories of this paper are: hematology
47
The categories of this paper are: care
13
The categories of this paper are: genetic
40
The categories of this paper are: geriatric
67
The categories of this paper are: transplantation
57
The categories of this paper are: primary
59
The categories of this paper are: respiratory
33
The categories of this paper are: physical
1
The categories of this paper are: sports
70
The categories of this paper are: otolaryngology
31
The categories of this paper are: imaging
36
The categories of this paper are: economics
69
The categories of this paper are: palliative