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Preimplantation genetic testing for human blastocysts with potential parental contamination using a quantitative parental contamination test (qPCT): an evidence-based study
Is it possible to develop a quantitative method for detecting parental DNA contamination in conventional IVF using preimplantation genetic testing for aneuploidy (PGT-A)?Comparison of different endometrial preparation protocols on frozen embryo transfer pregnancy outcome in patients with normal ovulation
What is the effect of letrozole use in patients undergoing frozen embryo transfer (FET) with normal ovulation? Although the number of FETs is increasing, an optimal protocol for FET (particularly vitrified–warmed embryo transfer) is yet to be determined. The aim of this study was to evaluate letrozole use on patients with normal menstrual cycles compared with hormone replacement therapy (HRT) cycles and natural cycles.Do fertility tracking applications offer women useful information about their fertile window?
To characterize mobile fertility tracking applications (apps) to determine the use of such apps for women trying to conceive by identifying the fertile window.The prevalence, promotion and pricing of three IVF add-ons on fertility clinic websites
How are IVF clinic websites advertising three common IVF add-ons: assisted hatching, time-lapse embryo imaging and preimplantation genetic testing for aneuploidies (PGT-A)?Empathetic application of machine learning may address appropriate utilization of ART
The value of artificial intelligence to benefit infertile patients is a subject of debate. This paper presents the experience of one aspect of artificial intelligence, machine learning, coupled with patient empathy to improve utilization of assisted reproductive technology (ART), which is an important aspect of care that is under-recognized. Although ART provides very effective options for infertile patients to build families, patients often discontinue ART when further treatment is likely to be beneficial and most of these patients do not achieve pregnancy without medical aid.‘There is only one thing that is truly important in an IVF laboratory: everything’ Cairo Consensus Guidelines on IVF Culture Conditions
This proceedings report presents the outcomes from an international expert meeting to establish consensus guidelines on IVF culture conditions. Topics reviewed and discussed were: embryo culture – basic principles and interactions; temperature in the IVF laboratory; humidity in culture; carbon dioxide control and medium pH; oxygen tension for embryo culture; workstations – design and engineering; incubators – maintaining the culture environment; micromanipulation – maintaining a steady physcochemical environment; handling practices; assessment practices; culture media – buffering and pH, general composition and protein supplementation, sequential or single-step media for human embryo culture; use and management – cold chain and storage; test equipment – calibration and certification; and laboratory equipment and real-time monitoring.Childbirth close to natural menopause: does age at menopause matter?
Does a successful spontaneous pregnancy in the years close to natural menopause depend on age at menopause?Disclosure of sperm donation: a comparison between solo mother and two-parent families with identifiable donors
Disclosure of donor conception to children was compared between solo mother and two-parent families with children aged 4–8 years conceived since the removal of donor anonymity in the UK. Semi-structured interviews were conducted with 31 heterosexual solo mothers and 47 heterosexual mothers with partners to investigate their decisions and experiences about identifiable donation and disclosure to their children. No significant difference was found in the proportion of mothers in each family type who had told their children about their donor conception (solo mothers 54.8%; partnered mothers 36.2%).Women's intentions to use fertility preservation to prevent age-related fertility decline
The optimal age to cryopreserve oocytes for later use is before 36 years. Current users are on average 38 years old. In this cross-sectional study an online survey was constructed about the factors associated with the intentions of childless women aged 28–35 years to use fertility preservation (FP). Questions were derived from the Theory of Planned Behaviour (attitudes and subjective norms regarding FP and perceived behaviour control to do FP) and the Health Belief Model (perceived susceptibility of infertility, perceived severity of childlessness, barriers and benefits of FP and cue to use FP).Dual ovarian stimulation is a new viable option for enhancing the oocyte yield when the time for assisted reproductive technnology is limited
Ovarian stimulation improves assisted reproductive technology outcome by increasing the number of oocytes available for insemination and in-vitro handling. A recent Duplex protocol features a dual stimulation, with the second stimulation started immediately after the first oocyte retrieval. Remarkably, the Duplex protocol is unexpectadly well tolerated by women and provides twice as many oocytes and embryos as a regular antagonist protocol in less than 30 days.Italian Constitutional Court removes the prohibition on gamete donation in Italy
In 2004, The Italian Constitutional Court prohibited treatments involving gamate donation, embryo donation, embryo cryopreservation (except under exceptional circumstances), and the transfer of more than three embryos. Basically three statements were made by the Court: the ban violates a couple's fundamental right to health, to self-determination and to have a child. Here, the consequences of such a decision and the legal challenges that ensued are discussed.Ovarian reserve screening before contraception?
Women are increasingly delaying conception to later years. Hormonal contraception induces artificial cyclicity, which does not, like natural cyclicity, reflect normal, physiological ovarian behaviour. Therefore, long-term users of hormonal contraceptives, in particular, fail to derive potential diagnostic benefits from changes in menstrual cyclicity, which usually alerts patients and physicians to developing ovarian pathology. Timely diagnosis of ovarian problems is further hampered, as anti-Müllerian hormone is suppressed by hormonal contraceptives, making the accurate assessment of functional ovarian reserve more difficult.The social context for surrogates' motivations and satisfaction
This Commentary takes up two of the main findings by Imrie and Jadva's study, namely surrogates' satisfaction with the post-surrogacy contact with intended parents and their motivation for surrogacy. It argues that the findings are in keeping with other qualitative research on surrogacy and that this similarity is not the result of the similarity of surrogates' psychological makeup. The Commentary highlights the centrality of social meanings and definitions, and following Howard Becker, insists on taking into account the collective doings that inform and shape individual feelings and behaviour.
