Cryopreservation has become a central pillar in assisted reproduction, reflected in the
exponential increase of “freeze all” cycles in the past few years. Vitrification makes it …

In recent years, the growing use of ART (assisted reproductive techniques) has led to a
progressive improvement of protocols; embryo freezing is certainly one of the most important …

STUDY QUESTION What is the association between ART conception and treatment
parameters and the risk of birth defects? SUMMARY ANSWER Compared to naturally …

Since the birth of Louise Brown in 1978, more than nine million children have been
conceived using assisted reproductive technologies (ARTs). While the great majority of …

Objective To evaluate the quantity and use of embryos cryopreserved at assisted
reproductive technology (ART) clinics in the United States from 2004 through 2013 and to …

STUDY QUESTION What are couples' preferences for fresh embryo transfer versus freezing
of all embryos followed by frozen embryo transfer and the associated clinical outcomes that …

The number of embryos transferred during an IVF cycle is directly related to the high
incidence of multiple births, which is the culprit of perinatal morbidity. Therefore, single fresh …

Oocyte cryopreservation has notably increased in recent times, to become an essential part
of clinical infertility treatment. Since the 1980s, many improvements in oocyte …

The transfer of cryopreserved blastocysts is increasing in IVF centres. However, little is
known about the perinatal and obstetric outcomes of this procedure. In an attempt to further …

STUDY QUESTION Do fetuses from frozen embryo transfer (FET) present signs of cardiac
remodeling and suboptimal function similar to those observed in fetuses from fresh embryo …