Search Results - "Lenton, E. A."

Cost‐effectiveness analysis of different embryo transfer strategies in England by Dixon, S, Faghih Nasiri, F, Ledger, WL, Lenton, EA, Duenas, A, Sutcliffe, P, Chilcott, JB

“…Objective  The objective of this study was to assess the cost‐effectiveness of different embryo transfer strategies for a single cycle when two embryos are…”
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Low-dose dexamethasone augments the ovarian response to exogenous gonadotrophins leading to a reduction in cycle cancellation rate in a standard IVF programme by Keay, S.D., Lenton, E.A., Cooke, I.D., Hull, M.G.R., Jenkins, J.M.

“…BACKGROUND: Cancellation of assisted conception cycles because of poor ovarian response to gonadotrophins is a significant problem in assisted reproduction…”
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Predictive value of plasma human chorionic gonadotrophin following assisted conception treatment by Sugantha, S.E., Webster, S., Sundar, E., Lenton, E.A.

“…A total of 429 pregnancies after assisted conception treatment was analysed, using receiver operator characteristic curves. The best balance between…”
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Comparison between stimulated in-vitro fertilization and stimulated intrauterine insemination for the treatment of unexplained and mild male factor infertility by Zayed, F., Lenton, E.A., Cooke, I.D.

“…A prospective trial was undertaken to evaluate the efficacy of stimulated in-vitro fertilization (SIVF) and stimulated intrauterine insemination (SIUI) in…”
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Hypothalamic-pituitary ageing: progressive increase in FSH and LH concentrations throughout the reproductive life in regularly menstruating women by Ahmed Ebbiary, N A, Lenton, E A, Cooke, I D

“…Reproductive ageing is associated with reduced fertility and endocrine changes that become more pronounced during the perimenopausal period. We aimed to assess…”
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The influence of Vero cell culture on human embryo development and chorionic gonadotrophin production in vitro by TURNER, K, LENTON, E. A

“…Co-culture of human embryos with cell layers has generally shown that blastocyst formation rates are improved compared to routine culture in medium alone. In…”
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Natural cycle in-vitro fertilization in couples with unexplained infertility: impact of various factors on outcome by Zayed, F., Lenton, E.A., Cooke, I.D.

“…This study evaluated outcome in 117 couples with unexplained infertility who underwent 162 attempts at natural cycle in-vitro fertilization (NIVF) between 1991…”
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The significance of elevated basal follicle stimulating hormone in regularly menstruating infertile women by Ahmed Ebbiary, N A, Lenton, E A, Salt, C, Ward, A M, Cooke, I D

“…Elevated plasma follicle stimulating hormone (FSH) during the reproductive life is an early manifestation of ovarian ageing. The presence of elevated basal FSH…”
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Is subclinical ovarian failure an autoimmune disease? by Wheatcroft, N J, Rogers, C A, Metcalfe, R A, Lenton, E A, Cooke, I D, Weetman, A P

“…Young women with unexplained infertility who exhibit elevated basal serum follicle stimulating hormone (FSH) concentrations (>10 IU/l) have poor outcomes in…”
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Progressive changes in LH and FSH and LH: FSH ratio in women throughout reproductive life by Lenton, E A, Sexton, L, Lee, S, Cooke, I D

“…Gonadotropin secretion during the post-menopausal period is considerably higher than during the reproductive years. In this study, we present evidence that…”
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The optimum time for exogenous human chorionic gonadotropin to rescue the corpus luteum by TAY, P. Y. S, LENTON, E. A

“…Our purpose was to study the optimum time to administer exogenous human chorionic gonadotropin (hCG) to rescue the human corpus luteum during the luteal phase…”
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Corpus luteum response to exogenous HCG during the mid-luteal phase of the menstrual cycle by TAY, P. Y. S, LENTON, E. A

“…OBJECTIVE To assess a range of exogenous HCG regimes designed to simulate the endocrine environment occurring in biochemical, single and multiple pregnancies…”
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A new method of histologic dating of human endometrium in the luteal phase by Li, T C, Rogers, A W, Dockery, P, Lenton, E A, Cooke, I D

“…Morphometric analysis was performed on 70 endometrial biopsy specimens collected from a population of fertile women. Of the 17 morphometric measurements that…”
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Retrograde tubal embryo transfer in natural cycle in-vitro fertilization by Kumar, A, Benny, P, Lenton, E A, Cooke, I D

“…Two modes of embryo transfer, uterine and tubal, were compared following natural cycle in-vitro fertilization (IVF). Only patients with patent Fallopian tubes…”
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Human oviductal fluid prolongs sperm survival by Zhu, J, Barratt, C L, Lippes, J, Pacey, A A, Lenton, E A, Cooke, I D

“…To compare the effect of human oviductal fluid on sperm motility and hyperactivation during 9 hours' incubation in vitro with follicular fluid (FF) and medium…”
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Glucose and lactate in human follicular fluid: concentrations and interrelationships by Leese, H J, Lenton, E A

“…The concentrations of glucose, lactate, progesterone and oestradiol have been measured in 122 follicular fluids obtained from women attending a natural cycle…”
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Comparison of pyruvate uptake by embryos derived from conception and non-conception natural cycles by Turner, K, Martin, K L, Woodward, B J, Lenton, E A, Leese, H J

“…The uptake of pyruvate by human embryos derived from natural cycles in the first 24 h following fertilization was examined. Since only one egg was obtained and…”
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Round cells and sperm fertilizing capacity: the presence of immature germ cells but not seminal leukocytes are associated with reduced success of in vitro fertilization by Tomlinson, M J, Barratt, C L, Bolton, A E, Lenton, E A, Roberts, H B, Cooke, I D

“…Fifty semen samples produced for IVF by patients diagnosed as having unexplained infertility were screened for leukocytes, leukocyte subsets, and immature germ…”
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Normal variation in the length of the luteal phase of the menstrual cycle: identification of the short luteal phase by Lenton, E A, Landgren, B M, Sexton, L

“…Normal probability plots were used to assess the homogeneity of a population of 327 luteal phases from apparently ovulatory menstrual cycles. The length of the…”
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Inhibin concentrations throughout the menstrual cycles of normal, infertile, and older women compared with those during spontaneous conception cycles by Lenton, E A, de Kretser, D M, Woodward, A J, Robertson, D M

“…Plasma immunoreactive inhibin levels have been measured in a series of normal conception cycles (group I; n = 7), and the data compared to inhibin…”
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