Fernando Zegers-Hochschild, Juan-Enrique Schwarze, Javier A Crosby, Maria do Carmo Borges de Souza
JBRA Assist. Reprod. 2011; 15 (2):19-30
Received March 01, 2011
Accepted March 01, 2011
Abstract
Objective:Since 1990, the Latin American Registry of Assisted Reproduction(RLA) has registered ART procedures performed in Latin America. The RLA has increased its regional coverage including to date more than 80% of ART cycles performed. 140 centers enter their data directly on line, and an administrative office collects and analyses the data.
Methods:This paper analyses trends over the last twenty years, as well as biomedical data corresponding to ART procedures initiated between 1990 and 2009, and babies born up to 2010. Overall, the data include 275,883 embryo transfer-cycles, 71,875 deliveries and the birth of 95,436 babies.
Results:Some of the major changes include: an increase in the age of female partners undergoing fresh, autologous embryo transfers; and a marked shift towards the use of ICSI over IVF. As expected, there has been a steady increase over the last ten years in the delivery rates with at least one live born per embryo transfer, reaching 25.3% in IVF/ICSI cycles, and 31.6% in OD cycles. Over the years, there has been a progressive but slight decrease in the mean number of ET, but still, almost one third of all births are either twins or triplets. In the last 15 years, the proportion of transfers of one or two embryos has increased from 11 and 17% in 1995, to 14%· and 43% respectively in 2009.
Conclusions:Access to ART has experienced a meager increase during the period covered in this report.Our region faces two main challenges: to facilitate access to ART and to decrease the rate of multiple births.