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Live Birth Rate

Meaning

Live Birth Rate is a key epidemiological and clinical metric in reproductive medicine, defined as the number of deliveries that result in at least one living infant per a specified number of treatment cycles, embryo transfers, or patients. It serves as the most definitive measure of success for fertility treatments, such as in vitro fertilization (IVF), reflecting a complete and successful process. This rate provides a tangible, outcome-focused assessment of a clinical protocol’s true efficacy.