E. Lenton

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Normal variation in the length of the luteal phase of the menstrual cycle: identification of the short luteal phase

E. Lenton, BRUT‐MARIE Landgren, L. Sexton, 1984, British journal of obstetrics and gynaecology.

The human ovarian granulosa cell: a stereological approach.

I. Cooke, P. Dockery, W. O, 1996, Journal of anatomy.

Stimulated Intrauterine Insemination: Efficient, cost-effective, safe?

E. Lenton, 2004, Human fertility.

2 In vitro fertilization in the natural cycle

I. Cooke, E. Lenton, K. Turner, 1992 .

In vitro fertilization in the natural cycle.

I. Cooke, E. Lenton, K. Turner, 1992, Bailliere's clinical obstetrics and gynaecology.

Comparison between stimulated in-vitro fertilization and stimulated intrauterine insemination for the treatment of unexplained and mild male factor infertility.

I. Cooke, E. Lenton, F. Zayed, 1997, Human reproduction.

A new method of histologic dating of human endometrium in the luteal phase.

A. W. Rogers, I. Cooke, P. Dockery, 1988, Fertility and sterility.

Long-term follow-up of the apparently normal couple with a complaint of infertility.

I. Cooke, E. Lenton, G. A. Weston, 1977, Fertility and sterility.

Synchronous secretion of LH and prolactin during the normal menstrual cycle.

E. Lenton, K. Tennekoon, 2010, Asia-Oceania journal of obstetrics and gynaecology.

The temporal relationship between melatonin and prolactin in women.

E. Lenton, G. Webley, 1987, Fertility and sterility.

Early evening prolactin rise in women with regular cycles.

E. Lenton, K. Tennekoon, 1985, Journal of reproduction and fertility.

Distribution of sperm counts in suspected infertile men.

D. Mortimer, E. Lenton, 1983, Journal of reproduction and fertility.

Folliculogenesis ‐ The Natural Way

I. Cooke, E. Lenton, E. A. Lenton, 1994, The Australian & New Zealand journal of obstetrics & gynaecology.

Endometrial responses in artificial cycles: a prospective, randomized study comparing three different progesterone dosages

I. Cooke, P. Dockery, E. Lenton, 1992, British journal of obstetrics and gynaecology.

The variation of endometrial response to a standard hormone replacement therapy in women with premature ovarian failure. An ultrasonographic and histological study

I. Cooke, P. Dockery, E. Lenton, 1991, British journal of obstetrics and gynaecology.

The relation between daily salivary progesterone profile and endometrial development in the luteal phase of fertile and infertile women

I. Cooke, P. Dockery, E. Lenton, 1989, British journal of obstetrics and gynaecology.

The effects of progesterone receptor blockade in the luteal phase of normal fertile women.

I. Cooke, P. Dockery, E. Lenton, 1988, Fertility and sterility.

Why does RU486 fail to prevent implantation despite success in inducing menstruation?

I. Cooke, P. Dockery, E. Lenton, 1988, Contraception.

A comparison between two methods of chronological dating of human endometrial biopsies during the luteal phase, and their correlation with histologic dating.

I. Cooke, P. Dockery, E. Lenton, 1987, Fertility and sterility.

Hypothalamic‐pituitary ageing: progressive increase in FSH and LH concentrations throughout the reproductive life in regularly menstruating women *

I. Cooke, E. Lenton, N. A. A. Ebbiary, 1994, Clinical endocrinology.

Basal Gonadotropins in Regularly Menstruating Women: Age-Related Changes in Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH) Prior to the Perimenopause

I. Cooke, E. Lenton, D. Wright, 1992 .

Differential responses to a simulated implantation signal at various stages of the luteal phase in women.

E. Lenton, A. J. Woodward, A. Woodward, 1992, The Journal of clinical endocrinology and metabolism.

Time series analysis of biologically active luteinizing hormone concentrations during different stages of the menstrual cycle.

E. Lenton, K. Tennekoon, 2010, Asia-Oceania journal of obstetrics and gynaecology.

Inhibition of prostaglandin synthase by maternal plasma factor(s) in early human pregnancy

S. Brennecke, M. Mitchell, A. Turnbull, 1982, British journal of obstetrics and gynaecology.

Normal and abnormal implantation in spontaneous in-vivo and in-vitro human pregnancies.

E. Lenton, M. Hooper, H. King, 1991, Journal of reproduction and fertility.

Endocrine effects of goserelin, a new depot luteinising hormone releasing hormone agonist.

E. Thomas, I. Cooke, J. Jenkins, 1986, British medical journal.

A rapid method for the measurement of the oxoreductase activity of 11beta-hydroxysteroid dehydrogenase in granulosa-lutein cells from patients undergoing in-vitro fertilization.

F. Proudfoot, W. Robertson, E. Lenton, 1998, Molecular human reproduction.

Inhibin concentrations throughout the menstrual cycles of normal, infertile, and older women compared with those during spontaneous conception cycles.

D. Robertson, E. Lenton, D. D. de Kretser, 1991, The Journal of clinical endocrinology and metabolism.

PROLACTIN CONCENTRATIONS IN NORMAL MENSTRUAL CYCLES AND CONCEPTION CYCLES

I. Cooke, E. Lenton, L. Brook, 1979, Clinical endocrinology.

Progressive changes in LH and FSH and LH: FSH ratio in women throughout reproductive life.

I. Cooke, E. Lenton, L. Sexton, 1988, Maturitas.

Endocrinology of the peri-implantation period.

E. Lenton, S. Sunder, Sugantha Sunder, 2000, Bailliere's best practice & research. Clinical obstetrics & gynaecology.

The hypo-osmotic swelling test and the sperm mucus penetration test in determining fertilization of the human oocyte.

I. Cooke, C. Barratt, B. Dunphy, 1989, Human reproduction.

Plasma concentrations of human chorionic gonadotropin from the time of implantation until the second week of pregnancy.

E. Lenton, L. M. Neal, R. Sulaiman, 1982, Fertility and sterility.

The impact of luteal supplement on pregnancy outcome following stimulated IVF cycles.

E. Lenton, P. Tay, 2005, The Medical journal of Malaysia.

An evaluation of counselling for couples undergoing treatment for in-vitro fertilization.

R. Edelmann, I. Cooke, H. Bartlett, 1993, Human reproduction.

Natural cycle IVF with and without terminal HCG: learning from failed cycles.

E. Lenton, 2007, Reproductive biomedicine online.

Natural cycle in-vitro fertilization in couples with unexplained infertility: impact of various factors on outcome.

I. Cooke, E. Lenton, F. Zayed, 1997, Human reproduction.

5 The Medicinal Chemistry of Lithium

G. Sampson, E. Lenton, P. Bond, 1975 .

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**Supported by the Infertility Research Trust, Jessop Hospital for Women, Sheffield S3 7RE, United Kingdom.

I. Cooke, C. Barratt, E. Lenton, 1992 .

Annual patterns of human sperm production and semen quality.

D. Mortimer, A. Templeton, E. Lenton, 1983, Archives of andrology.

Chorionic gonadotropin concentration in early human pregnancy: comparison of specific and nonspecific assays.

T. Chard, I. Cooke, E. Lenton, 1981, Fertility and sterility.

A rise in the biologically active LH: immunologically active LH (B/I) ratio during the normal luteal phase.

E. Lenton, K. Tennekoon, 2010, Asia-Oceania journal of obstetrics and gynaecology.

Studies on SP1 and PP5 in Early Pregnancy

E. Lenton, J. Grudzinskas, B. Obiekwe, 1979 .

PREGNANCY SPECIFIC β1 GLYCOPROTEIN AND CHORIONIC GONADOTROPHIN IN EARLY HUMAN PREGNANCY

T. Chard, I. Cooke, E. Lenton, 1981 .

CIRCULATING LEVELS OF PREGNANCY‐SPECIFIC β1‐GLYCOPROTEIN IN EARLY PREGNANCY

T. Chard, E. Lenton, J. Grudzinskas, 1977, British journal of obstetrics and gynaecology.

The endocrine environment of the human oocyte.

E. Thomas, I. Cooke, S. Smith, 1988, Journal of reproduction and fertility.

Pituitary and Ovarian Hormones in Implantation and Early Pregnancy

E. Lenton, 1988 .

PLASMA STEROID AND GONADOTROPHIN PROFILES IN OVULATORY BUT INFERTILE WOMEN

I. Cooke, E. Lenton, Malcolm Adams, 1978, Clinical endocrinology.

Some clinical aspects of pituitary--ovarian relationships in women with ovulatory infertility.

I. Cooke, E. Lenton, M. Adams, 1977, Journal of reproduction and fertility.

Induction of ovulation in women undergoing assisted reproductive techniques: recombinant human FSH (follitropin alpha) versus highly purified urinary FSH (urofollitropin HP).

W. Ledger, E. Lenton, V. Sharma, 2000, Human reproduction.

The human menstrual cycle: plasma concentrations of prolactin, LH, FSH, oestradiol and progesterone in conceiving and non-conceiving women.

I. Cooke, E. Lenton, O. Sobowale, 1983, Journal of reproduction and fertility.

Fertilization and early embryology: Embryonic human chorionic gonadotrophin secretion and hatching: poor correlation with cleavage rate and morphological assessment during preimplantation development in vitro

E. Lenton, K. Turner, B. Woodward, 1994 .

The human menstrual cycle: plasma concentrations of prolactin, LH, FSH, oestradiol and progesterone in conceiving and non-conceiving women

I. Cooke, E. Lenton, O. Sobowale, 1982 .

The effect of age on the cyclical patterns of plasma LH, FSH, oestradiol and progesterone in women with regular menstrual cycles.

I. Cooke, E. Lenton, L. Sexton, 1988, Human reproduction.

Folliculocentesis: a novel research technique to investigate the intrafollicular endocrine microenvironment.

I. Cooke, E. Lenton, N. A. Ahmed Ebbiary, 1995, Human Reproduction.

Fertility and infertility statistics: their importance and application.

R. J. Parsons, I. Cooke, E. Lenton, 1981, Clinics in obstetrics and gynaecology.

Problems in using basal body temperature recordings in an infertility clinic.

I. Cooke, E. Lenton, G. A. Weston, 1977, British medical journal.

Premenstrual progesterone levels in menstrual cycles with short luteal phases

I. Cooke, S. Smith, E. Lenton, 1984 .

Human oviductal fluid prolongs sperm survival.

I. Cooke, A. Pacey, C. Barratt, 1994, Fertility and sterility.

The use of Bromocriptine in Ovulatory Infertility

I. Cooke, E. Lenton, 1980 .

20 – HORMONAL THERAPY OF OVULATORY DISORDERS

I. Cooke, E. Lenton, M. Adams, 1978 .

Low-dose dexamethasone augments the ovarian response to exogenous gonadotrophins leading to a reduction in cycle cancellation rate in a standard IVF programme.

I. Cooke, E. Lenton, J. Jenkins, 2001, Human reproduction.

Glucose and lactate in human follicular fluid: concentrations and interrelationships.

H. Leese, E. Lenton, 1990, Human reproduction.

Predictive value of plasma human chorionic gonadotrophin following assisted conception treatment.

E. Lenton, S. Sugantha, S. Webster, 2000, Human reproduction.

Prolactin concentrations in ovulatory but infertile women: treatment with bromocriptine.

I. Cooke, E. Lenton, O. Sobowale, 1977, British medical journal.

Effect of culture in vitro and organ culture on the dry mass of preimplantation mouse embryos.

E. Lenton, K. Turner, A. Rogers, 1994, Reproduction, fertility, and development.

Inhibition of progesterone secretion by oestradiol administered in the luteal phase of assisted conception cycles.

E. Lenton, P. Tay, 2003, The Medical journal of Malaysia.

Follicle growth patterns and endocrinological abnormalities in infertile women with minor degrees of endometriosis

E. Thomas, I. Cooke, E. Lenton, 1986, British journal of obstetrics and gynaecology.

The short luteal phase and infertility

I. Cooke, E. Lenton, B. Landgren, 1984, British journal of obstetrics and gynaecology.

Is subclinical ovarian failure an autoimmune disease?

I. Cooke, C. Rogers, A. Weetman, 1997, Human reproduction.

Is analgesia required for transvaginal single-follicle aspiration in in vitro fertilization? A double-blind study

I. Cooke, E. Lenton, S. Ramsewak, 1990, Journal of in Vitro Fertilization and Embryo Transfer.

Fertilization and early embryology: Comparison of pyruvate uptake by embryos derived from conception and non-conception natural cycles

H. Leese, E. Lenton, B. Woodward, 1994 .

Normal variation in the length of the follicular phase of the menstrual cycle: effect of chronological age

E. Lenton, L. Sexton, B. Landgren, 1984, British journal of obstetrics and gynaecology.

The effects of Premarin and norgestrel on plasma FSH, LH and androstenedione in post-menopausal women.

I. Cooke, E. Lenton, K. Anderton, 1978, Postgraduate medical journal.

The significance of elevated basal follicle stimulating hormone in regularly menstruating infertile women

I. Cooke, E. Lenton, N. A. A. Ebbiary, 1994 .

Embryonic human chorionic gonadotropin secretion and hatching: poor correlation with cleavage rate and morphological assessment during preimplantation development in vitro.

E. Lenton, K. Turner, B. Woodward, 1994, Human Reproduction.

The influence of Vero cell culture on human embryo development and chorionic gonadotrophin production in vitro.

E. Lenton, K. Turner, 1996, Human reproduction.

Acute effects of progesterone and the antiprogestin RU 486 on gonadotropin secretion in the follicular phase of the menstrual cycle.

I. Cooke, E. Lenton, I. Roberts, 1989, The Journal of clinical endocrinology and metabolism.

Inhibin Concentrations Throughout the Menstrual Cycles of Normal, Infertile, and Older Women Compared With Those During Spontaneous Conception Cycles

D. Robertson, E. Lenton, D. Kretser, 1992 .

THE CERVICAL FACTOR IN PATIENTS WITH OVULATORY INFERTILITY

I. Cooke, E. Lenton, R. Sulaiman, 1981, British Journal of Obstetrics and Gynaecology.

COMPARISON OF PLASMA STEROID AND GONADOTROPHIN PROFILES IN SPONTANEOUS CYCLES IN WHICH CONCEPTION DID AND DID NOT OCCUR

I. Cooke, E. Lenton, O. Sobowale, 1978, British journal of obstetrics and gynaecology.

Investigation of impaired ovarian function as a contributing factor to infertility in women with pelvic adhesions.

I. Cooke, E. Lenton, M. Bowman, 1993, Human reproduction.

National Health Service provision for the management of infertility: The case for funding and reorganization of fertility services in the UK

Clare Brown, E. Lenton, A. Balen, 2002, Human fertility.

Retrograde tubal embryo transfer in natural cycle in-vitro fertilization.

I. Cooke, E. Lenton, A. Kumar, 1997, Human reproduction.

Semen analysis parameters and their interrelationships in suspected infertile men.

D. Mortimer, A. Templeton, E. Lenton, 1982, Archives of andrology.

Influence of abstinence and ejaculation-to-analysis delay on semen analysis parameters of suspected infertile men.

D. Mortimer, A. Templeton, E. Lenton, 1982, Archives of andrology.

The Optimum Time for Exogenous Human Chorionic Gonadotropin to Rescue the Corpus Luteum

E. Lenton, P. Tay, 1999, Journal of Assisted Reproduction and Genetics.

Natural-cycle versus stimulated-cycle IVF: Is there a role for IVF in the natural cycle?

E. Lenton, B. Woodward, 1993, Journal of Assisted Reproduction and Genetics.

Suppression of gonadotrophin secretion does not reverse premature ovarian failure

E. Thomas, I. Cooke, E. Lenton, 1989, British journal of obstetrics and gynaecology.

The interaction of parameters of male and female fertility in couples with previously unexplained infertility.

I. Cooke, C. Barratt, B. Dunphy, 1990, Fertility and Sterility.

MEASUREMENT OF PROGESTERONE IN SALIVA: ASSESSMENT OF THE NORMAL FERTILE RANGE USING SPONTANEOUS CONCEPTION CYCLES

E. Lenton, R. Harper, C. H. GELSTHORP, 1988, Clinical endocrinology.

The endocrinology of conception cycles and implantation in women.

E. Lenton, A. J. Woodward, 1988, Journal of reproduction and fertility. Supplement.

The significance of elevated basal follicle stimulating hormone in regularly menstruating infertile women.

I. Cooke, E. Lenton, N. A. Ahmed Ebbiary, 1994, Human reproduction.

Plasma prolactin concentrations during conception and the first ten weeks of human pregnancy.

I. Cooke, M. Ryle, E. Lenton, 1982, Acta endocrinologica.

Plasma gonadotrophin and ovarian steroid concentrations in women with menstrual cycles with a short luteal phase.

I. Cooke, S. Smith, E. Lenton, 1985, Journal of reproduction and fertility.

Individual variation in gonadotrophin and steroid concentrations and in the lengths of the follicular and luteal phases in women with regular menstrual cycles.

I. Cooke, E. Lenton, G. Lawrence, 1983, Clinical reproduction and fertility.

OESTRADIOL SECRETION IN MEN AND PRE‐MENOPAUSAL WOMEN

I. Cooke, E. Lenton, L. Sexton, 1978, Clinical endocrinology.

THE EFFECT OF DYDROGESTERONE ON THE MID‐CYCLE GONADOTROPHIN SURGE IN REGULARLY CYCLING WOMEN

E. Lenton, 1984, Clinical endocrinology.

FAILURE OF HIGH INTRAUTERINE INSEMINATION OF HUSBAND'S SEMEN

E. Thomas, I. Cooke, E. Lenton, 1986, The Lancet.

A comparison of some clinical and endocrinological features between cycles with normal and defective luteal phases in women with unexplained infertility.

I. Cooke, P. Dockery, E. Lenton, 1990, Human Reproduction.

Development of embryos from natural cycle in-vitro fertilization: impact of medium type and female infertility factors.

E. Lenton, K. Turner, M. Hooper, 1993, Human reproduction.

Effect of bromocriptine on menstrual cycle length

I. Cooke, E. Lenton, Stephen K. Smith, 1984, British journal of obstetrics and gynaecology.

Pregnancy specific beta 1 glycoprotein and chorionic gonadotrophin in early human pregnancy.

T. Chard, I. Cooke, E. Lenton, 1981, Acta Obstetricia et Gynecologica Scandinavica.

Premenstrual Pregnancy Loss

E. Lenton, J. Osborn, D. Fothergill, 1988 .

An examination of the variation in timed endometrial biopsies.

I. Cooke, P. Dockery, E. Lenton, 1988, Human reproduction.

Optimizing assisted reproduction: impact of low-dose gonadotropin-releasing hormone agonist on in vitro fertilization outcome.

E. Lenton, K. Mohamed, 2005, Fertility and sterility.

The ultrastructure of the glandular epithelium in the timed endometrial biopsy.

I. Cooke, P. Dockery, E. Lenton, 1988, Human reproduction.

The treatment of puerperal lactation with bromocriptine.

E. Lenton, D. Millar, B. Obiekwe, 1976, Postgraduate medical journal.

Requirement of preimplantation human embryos for extracellular calmodulin for development.

E. Lenton, B. Woodward, S.Mac Neil, 1993, Human reproduction.

Alkalosis in Burns in Children

R. Miller, E. Lenton, J. Black, 1971, British medical journal.