BACKGROUND Early reproductive failure is the most common complication of pregnancy
with only 30% of conceptions reaching live birth. Establishing a successful pregnancy …

In recurrent implantation failure of endometrial origin an altered pattern of the microbial
endometrial ecosystem, a displaced window of implantation leading to desynchronization …

Background Establishing a successful pregnancy depends on the endometrium and the
embryo. It is estimated that suboptimal endometrial receptivity account for one-third of …

Endometrial receptivity is a state of the endometrium defined by its readiness for embryo
implantation. When the receptivity of the endometrium is impaired due to hyperandrogenism …

Despite the purported advantages of ultrasound guidance during embryo transfer, and the
large number of clinical trials published on this topic, recommendations for the use of this …

Background The rate of successful pregnancies brought to term has barely increased since
the first assisted reproductive technology (ART) technique became available. Vasodilators …

Research question Does uterine activity differ in patients who have undergone successful
IVF treatment compared with patients who have undergone unsuccessful IVF treatment …

Background: The relationship between uterine peristalsis before embryo transfer and the
success of assisted reproductive techniques (ARTs) has not been properly investigated. In …

Most aspects of in-vitro fertilisation (IVF) have changed dramatically since introduction, but
embryo transfer (ET) technique remains largely unaltered. We aimed to determine whether …

Embryo transfer is the final and rate-limiting step of the assisted reproductive technique. Few
advances have occurred in the last few decades with regard to this procedure. Studies …