6M5-23431-49932 · OpenVSafe

Timeline

Registration Vaccinations Survey responses Call reports Cases without a report Call attempts Call successful Pregnancy survey

2021-02-16
Dose 1 — Pfizer-BioNTech
2021-03-09
Dose 2 — Pfizer-BioNTech
2021-03-12
Registered in v-safe
2021-03-12
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-03-17
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-03-31
Health check-in — day 21, dose 2
Feeling: Good

Adult check-in
2021-04-06
Health check-in — day 28, dose 2
Feeling: Good

Adult check-in
2021-04-15
Survey response — day 35, dose 2
MedDRA: Dysmenorrhoea, Heavy menstrual bleeding, Premenstrual syndrome — Feeling: Good

Free text: Stronger premenstrual symptoms for 1 1/2 weeks prior, strong cramps for inital start of period and heavy flow in the beginning. It calmed down by mid day on first day

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-20
Health check-in — day 42, dose 2
Feeling: Good

Adult check-in
2021-06-10
Survey response — 3 months, dose 2
MedDRA: Menstruation delayed — Feeling: Good

Free text: Still no period or premenstrual symptoms. Started having issues in April exactly one month after receiving 2nd dose in March. Having testing done to see if there is another health issue causing this.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-09-07
Survey response — 6 months, dose 2
MedDRA: Menstruation irregular — Feeling: Good · Get care from a doctor or other healthcare professional · Telehealth, virtual health, or email health consultation

Free text: Skipped period for one month after vaccine

MedDRA releases: 2024-11 · check-in free text available
2021-09-07
Report sent to call center — 6 months, dose 2
Get care from a doctor or other healthcare professional

1 call case(s)
2021-09-13
Call 1 — Left Voicemail

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-02-16	Pfizer-BioNTech
2	2021-03-09	Pfizer-BioNTech

Call center

1 call center case

1 unsuccessful

See the call center timeline

Free text

Release 7 — day 35, dose 2

2021-04-15

Symptoms: Stronger premenstrual symptoms for 1 1/2 weeks prior, strong cramps for inital start of period and heavy flow in the beginning. It calmed down by mid day on first day

Release 9 — 3 months, dose 2

2021-06-10

Symptoms: Still no period or premenstrual symptoms. Started having issues in April exactly one month after receiving 2nd dose in March. Having testing done to see if there is another health issue causing this.

Release 9 — 6 months, dose 2

2021-09-07

Symptoms: Skipped period for one month after vaccine

Each entry is dated by the survey it was written in (the CDC re-sent the releases with survey dates in 2025); click a date to see that survey response. The CDC cut some text off at about 250 characters: symptoms in every release, and the other two fields in releases 9-12. Those entries are marked "cut off by CDC".

MedDRA terms by release

Field	Preferred term	2021-09	2023-04	2024-11
SD	Dysmenorrhoea	✓	✓	✓
SD	Heavy menstrual bleeding	✓	✓	✓
SD	Menstruation delayed	✓	✓	✓
SD	Menstruation irregular	·	·	✓
SD	Premenstrual syndrome	✓	✓	✓

✓ active code · ○ coded but marked inactive · blank = not in that release