In vitro fertilization, popularly referred to as IVF, has captured the attention of the public since its sensational introduction in 1978. Today assisted reproductive technology is available throughout most of the civilized world, and the practice is largely different from that used during the early days. Refinements in laboratory technology and clinical practice have allowed IVF to evolve into...

Pre-implantation genetic diagnosis (PGD) was first pioneered at Hammersmith Hospital, London, United Kingdom, in 1989 and allows the genetic sampling and testing of the early human embryo prior to being transferred to the uterus to start a pregnancy. Although occasionally controversial, PGD is now well established in several countries and in vitro fertilisation (IVF) centres around the world. I...

A content analysis of chat utterances generated by in vitro fertilization (IVF) patients and healthcare professionals revealed that most chat is about the treatment itself and not about childlessness; 56% discloses psychological aspects, 27% physical aspects, and 17% social aspects of the treatment; and that accounts of both external and internal coping behaviors could be identified.

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Since the introduction of in vitro fertilization (IVF) in 1978, over five million babies have been born worldwide using IVF. Contrary to the perception of many, IVF does not guarantee success. Almost 50% of couples that start IVF will remain childless, even if they undergo multiple IVF cycles. The decision to start or pursue with IVF is challenging due to the high cost, the burden of the treatm...

Based on the birth record data from the National Vital Statistics in the 1990 Census of China, the present study analyzed the differences between urban and rural areas on monozygotic (MZ) and dizygotic (DZ) twin rates by maternal age in 1989. The twins by zygosity were calculated with Weinberg's differential method. Results show that the MZ and DZ twinning rates in China were associated with ma...

background: the beneficial role of cabergoline as a prophylactic agent to prevent ovarian hyper stimulation syndrome (ohss) among high-risk patients has been demonstrated in previous studies. but data for its role as a treatment for established severe ohss is still limited. we represent the treatment results of high dose oral cabergoline in management of six patients after the syndrome is estab...

background: gonadotrophin-releasing hormone (gnrh) agonist is used for controlling ovarian stimulation in assisted reproductive technology (art) cycles which has some benefits. objective: to compare the efficacy of two different formulations of gnrh agonist: short-acting and long-acting, for art protocols. materials and methods: in a prospective randomized study, one hundred women who underwent...

background: estradiol (e2) is required for follicular development and play an important role in embryo implantation. objective: the aim of this study was to assess the impact of serum e2 levels on the day of hcg administration in ivf-icsi patients who are performed controlled ovarian hyperstimulation (coh). materials and methods: a total of 203 women who were undergone one time ivf cyclus were ...