Abstract
Research question:What was the utilization, effectiveness and safety of assisted reproductive technologies (ART) performed in Latin American countries during 2015, and what were the regional trends?Design:Retrospective collection of multinational data on assisted reproduction techniques (IVF and intracytoplasmic sperm injection [ICSI], frozen embryo transfer, oocyte donation, preimplantation genetic testing and fertility preservation), from 175 institutions in 15 Latin American countries.Results:In total, 41.25% of IVF/ICSI cycles were performed in women aged 35-39 years, and 28.35% in women aged ≥40 years. After removing freeze-all cycles, delivery rate per oocyte retrieval was 21.39% for ICSI and 24.29% for IVF. Multiple births included 19.58% twins and 0.95% triplets and higher. In oocyte donation, delivery rate per transfer was 36.77%, with a twin and triplet rate of 27.65% and 1.06%, respectively. Overall, preterm deliveries reached 17.38% in singletons, 64.94% in twins and 98.41% in triplets. Perinatal mortality in 14,936 births and 18,391 babies born was 10.5 per 1000 in singletons, 17.9 per 1000 in twins, and 57.1 per 1000 in high-order multiples. Elective single embryo transfer represented 3.11% of fresh transfers, with a 31.78% delivery rate per transfer. Elective double embryo transfer represented 23.3% of transfers, with a 37.79% delivery rate per transfer. Out of 18,391 babies born, 63.22% were singletons, 34.4% twins, and 2.38% triplets and higher.Conclusions:Given the effect of multiple births on prematurity, morbidity and perinatal mortality, reinforcing the existing trend of reducing the number of embryos transferred remains mandatory.
Highlights
The Latin American Registry of Assisted Reproduction (RLA) was established in 1990 as the first multinational and regional registry of assisted reproductive technology (ART)
An annual report has been provided containing outcomes of ART procedures performed by institutions in most countries in Latin America, from Mexico in the north to
The main objective of the RLA has been to disseminate information on ART procedures performed in Latin America; this often serves as an external quality control to be used by institutions performing ART in the region and for other regions of the world
Summary
The Latin American Registry of Assisted Reproduction (RLA) was established in 1990 as the first multinational and regional registry of assisted reproductive technology (ART). An annual report has been provided containing outcomes of ART procedures performed by institutions in most countries in Latin America, from Mexico in the north to. The main objective of the RLA has been to disseminate information on ART procedures performed in Latin America; this often serves as an external quality control to be used by institutions performing ART in the region and for other regions of the world. The regional database is used to monitor outcomes, as well as trends in safety and efficacy, which contributes to developing better health interventions and appropriate public policies.
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