Second Chance at Life Act of 2021 This bill requires abortion providers to disclose information about the possibility of reversing a medication abortion. This is a procedure that uses a medication regimen to terminate a pregnancy, typically with a two-drug protocol. Providers must inform patients that it may be possible to reverse the effects of a medication abortion after taking the first drug. They must also let patients know that more information and assistance is available on the Department of Health and Human Services (HHS) website. At least 24 hours before the procedure, the provider must share this information with the patient in person or by telephone. The provider must also include the information in written discharge instructions after the first drug is dispensed. The bill sets out an exception to these notification requirements when an abortion is necessary to resolve a physical injury or condition that threatens the life of the woman. The provider must document the circumstances giving rise to the exception in the patient's medical file. Furthermore, providers must post signs with this information in their offices or facilities, and HHS must maintain information about reversing medication abortions on its website.