These results are just the tip of the iceberg when you search the term "Abortion spontaneous" in the VAERS catalog (Vaccine Adverse Events Reporting System)
https://www.openvaers.com/covid-data/924247
https://www.openvaers.com/covid-data/1163402
https://www.openvaers.com/covid-data/1146214
https://www.openvaers.com/covid-data/1145902
https://www.openvaers.com/covid-data/1137248
https://www.openvaers.com/covid-data/1128192
https://www.openvaers.com/covid-data/1124657
https://www.openvaers.com/covid-data/1124086
https://www.openvaers.com/covid-data/1121867
https://www.openvaers.com/covid-data/1045927
https://www.openvaers.com/covid-data/958501
https://www.openvaers.com/covid-data/1058751
https://www.openvaers.com/covid-data/1057557
https://www.openvaers.com/covid-data/1053973
https://www.openvaers.com/covid-data/1051502
https://www.openvaers.com/covid-data/1065910
THAT IS HALF A KINDERGARTEN CLASS AS DEFINED BY GOV OF ONT
https://www.ontario.ca/laws/regulation/120132/v7
Here is the rest of the data if you want to go digging yourself,
SPREAD PLS