Study	Reason for exclusion
Alyousefi 2021	Incorrect study design ‐ case report; wrong outcome ‐ D‐dimer
Badrawi 2021	Incorrect study design ‐ case report, no recent h/o contraceptive use
Cagnacci 2022	Incorrect study design ‐ editorial
Ding 2021	Incorrect intervention and study population
Fernández‐Capitán 2021	Incorrect study design / study population ‐ does not stratify by sex
Fiorini 2021	Incorrect study design ‐ case report
Grimes 2021	Incorrect study design ‐ case report, no use of contraceptives
Iguina 2020	Incorrect study design ‐ case report
Koritala 2021	Incorrect study design ‐ case report
Kow 2021	Incorrect study design ‐ editorial
Kundal 2021	Incorrect study design ‐ case report
Kurdoğlu 2021	Incorrect study design ‐ editorial
Lee 2020	Incorrect intervention ‐ menopausal hormonal therapy
Lete 2021	Incorrect study design ‐ review
Limanova 2021	Incorrect outcome ‐ drug interactions between contraception and therapeutics for COVID‐19
Mitra 2021	Incorrect study design ‐ editorial
NCT04865029	Incorrect study design and intervention indictation ‐ study protocol for using estrogen and progesterone as treatment for COVID‐19
Ostovan 2021	Incorrect study population ‐ case series but individual with prior not current oral contraceptive pills use
Pires 2020	Incorrect study design ‐ review
Ramírez 2020	Duplicate and incorrect study design ‐ response to review
Rebelo 2021	Incorrect study design ‐ case report (but does have data on time of initiation of oral contraceptive pills)
Riera‐Mestre 2021	Incorrect study design ‐ guideline development using Delphi method for thromboprophylaxis recommendations
Spratt 2020	Incorrect study design ‐ editorial
Traish 2021	Incorrect study design ‐ review
Vahey 2021	Incorrect study population ‐ did not stratify analysis by sex
Valenzuela‐Vallejo 2021	Incorrect study design ‐ case report