Anovulatory cycles are a symptom and not a disease. Polycystic ovary syndrome, pituitary microadenoma, impaired GnRH release, and hypothyroidism are common etiologies for anovulation and should be excluded. Patients can present with amenorrhea which needs etiology-specific treatment or with acute dysfunctional uterine bleeding which might need emergency treatment. Emergency treatment can be eit...

Evidence • Systematic review of RCTs of antiestrogens in PCOS1: -In 3 RCTs (N = 133) that examined clomiphene (50 to 250 mg/d, 1 to 5 cycles) versus placebo, the pregnancy rate was higher with clomiphene (20% vs 3%); the number needed to treat (NNT) was 6. Live births and miscarriages were not reported. -Limitations: small sample, variable dosing and number of cycles, high dropout rate, poor ad...

Background/Objective: To evaluate factors which increase the chance of ovulation and pregnancy after laparoscopic ovarian electerocauterization (LEC) in Clomiphene Citrate (CC) resistant polycystic ovarian syndrome (PCOS) patients.Methods: An experimental prospective study was carried out in the infertility division of a university teaching hospital. Two hundred and ninety-nine women with PCOS ...

In women, both hyperand hypo-thyroidism may result in menstrual disturbances. In hyperthyroidism the most common manifestations are simple oligomenorrhea and anovulatory cycles. Hypothyroidism results in changes in cycle length, amount of bleeding, and usually is associated with abnormal menstrual cycles characterized mainly by polymenorrhea and anovulatory cycles (Krassas et al., 1999). Also s...

We previously demonstrated that the Runx3 transcription factor is expressed in the hypothalami, pituitaries, and ovaries of mice, and that Runx3 knockout (Runx3-/-) mice are anovulatory and their uteri are atrophic. Runx3 mRNA expression was detected in the granulosa cells of ovarian follicles, and in the anteroventral periventricular nucleus (AVPV) and arcuate nucleus (ARC). In the present stu...

This study analysed the effect of oestradiol on basal and LH-stimulated production of androstenedione and progesterone by human theca cells in monolayer culture. Incubations were carried out for either 2 days (seven experiments) or 4 days (four experiments), in the presence or absence of luteinizing hormone (LH), oestradiol (10(-9)-10(-6) M) or inhibin. Medium collected at 48 and 96 h was store...

In the main experiment the total daily protein intake and quality (essential amino-acids) was varied in 4 groups of mares. The incidence of oestrus in mares during the transitional period was unaffected by protein nutrition. Ovarian activity, as evaluated by follicular development and size of the ovaries, was affected. Mares that received low-quality protein (Groups 1 and 2) had a higher number...

OBJECTIVE To establish predictive factors for positive pregnancy outcome in cases of controlled ovarian stimulation and intrauterine insemination. METHODS The retrospective study was conducted at Kanuni Sultan Suleyman Training and Research Hospital and comprised subjects having undergone ovulation induction cycles and intrauterine insemination between June 2010 and June 2015. Data was analys...

This prospective, noninterventional, post-marketing surveillance study evaluated doses of recombinant human follicle-stimulating hormone (r-hFSH) using the redesigned follitropin alfa pen in women who were anovulatory or oligomenorrheic and undergoing ovulation induction (OI) alone or OI with intrauterine insemination. The primary endpoint was the proportion of patients who achieved monofollicu...