Ovarian control of gonadotrophin secretion is normally achieved via the feedback
mechanisms mediated by oestradiol and progesterone. Evidence has been provided that …

The secretion of gonadotrophins from the pituitary in women is under ovarian control via
negative and positive feedback mechanisms. Steroidal and non-steroidal substances …

The first edition of the Textbook of Assisted Reproductive Techniques was published in
2001. As the textbook now enters its sixth edition, some 45 years since the birth of Louise …

A model for selection of the preovulatory follicle during the normal ovarian cycle is proposed.
During menstruation the concentration of FSH rises to a level high enough to “activate” a …

Cytogenetic preparations from oocytes remaining unfertilised after in vitro fertilisation
revealed single chromatids (as opposed to whole chromosomes) in 4 out of 38 meiosis II …

Background Gonadotropins are the most commonly used medications for controlled ovarian
stimulation in in vitro fertilisation (IVF). However, they are expensive and invasive, and are …

Objective Assessment of the effects of clomiphene citrate (CC) on cervical mucus score and
in vitro sperm mucus interaction. Design Prospective study of cervical mucus score and in …

Objective To compile updated information regarding gonadotropin secretion, specifically the
physiology of the midcycle LH surge, in natural cycles and under various ovulation induction …

The efficiency of IVF in unstimulated cycles was compared with that following ovarian
stimulation with clomiphene citrate in a simple protocol with ultrasound monitoring only. A …

The chromosome constitution of 22 human preimplantation embryos from donor oocytes
fertilized in vitro by donor sperm was studied to assess the contribution of lethal …