Aygul Demirol

Effect of treatment of intrauterine pathologies with office hysteroscopy in patients with recurrent IVF failure

The study was conducted to evaluate if the diagnosis and treatment of intrauterine lesions with office hysteroscopy is of value in improving the pregnancy outcome in patients with recurrent in-vitro fertilization and embryo transfer failure. Four hundred and twenty-one patients who had undergone two or more failed IVF-embryo transfer cycles were prospectively randomized into two groups. Group I (n = 211) did not have office hysteroscopic evaluation, Group II (n = 210) had office hysteroscopy. The patients who had normal hysteroscopic findings were included in Group IIa (n = 154) and patients who had abnormal hysteroscopic findings were included in Group IIb (n = 56). Intrauterine lesions diagnosed were operated during the office procedure. Fifty-six (26%) patients in Group II had intrauterine pathologies and the treatment was performed at the same time. No difference existed in the mean number of oocyte retrieved, fertilization rate, number of embryos transferred or first trimester abortion rates among the patients in groups. Clinical pregnancy rates in Group I, Group IIa and Group IIb were 21.6%, 32.5% and 30.4% respectively. There was a significant difference in the clinical pregnancy rates between patients in Group I and Group IIa (21.6% and 32.5%, P = 0.044, respectively) and Group I and Group IIb (21.6% and 30.4%, P = 0.044, respectively). There was no significant difference in the clinical pregnancy rate of patients in Groups IIa and IIb. Patients with normal hysterosalpingography but recurrent IVF-embryo transfer failure should be evaluated prior to commencing IVF-embryo transfer cycle to improve the clinical pregnancy rate.

Effect of endometrioma cystectomy on IVF outcome: a prospective randomized study

The study was conducted to investigate the effect of conservative surgery of ovarian endometriomas before an ICSI cycle. Ninety-nine patients with endometriomas who were referred to an intracytoplasmic sperm injection (ICSI) cycle were enrolled in the study. The patients were prospectively randomized into two groups; group I (49 patients) underwent conservative ovarian surgery before the ICSI cycle and group II (50 patients) underwent the ICSI cycle directly. The stimulation was started 3 months after the operation in group I and directly in group II. In the ovarian surgery group, stimulation was significantly longer (14.0 days in group I and 10.8 days in group II; P = 0.001), total recombinant FSH dose was significantly higher (4575 IU in group I and 3675 IU in group II; P = 0.001), and mean number of mature oocytes was significantly lower (7.8 in group I and 8.6 in group II; P = 0.032). There was no difference in terms of fertilization (86% in group I and 88% in group II), implantation (16.5% in group I and 18.5% in group II) and pregnancy rates (34% in group I and 38% in group II). Ovarian surgery resulted in longer stimulation, higher FSH requirement and lower oocyte number, but fertilization, pregnancy and implantation rates did not differ between the groups.

Globozoospermia is mainly due to DPY19L2 deletion via non-allelic homologous recombination involving two recombination hotspots

To date, mutations in two genes, SPATA16 and DPY19L2, have been identified as responsible for a severe teratozoospermia, namely globozoospermia. The two initial descriptions of the DPY19L2 deletion lead to a very different rate of occurrence of this mutation among globospermic patients. In order to better estimate the contribution of DPY19L2 in globozoospermia, we screened a larger cohort including 64 globozoospermic patients. Twenty of the new patients were homozygous for the DPY19L2 deletion, and 7 were compound heterozygous for both this deletion and a point mutation. We also identified four additional mutated patients. The final mutation load in our cohort is 66.7% (36 out of 54). Out of 36 mutated patients, 69.4% are homozygous deleted, 19.4% heterozygous composite and 11.1% showed a homozygous point mutation. The mechanism underlying the deletion is a non-allelic homologous recombination (NAHR) between the flanking low-copy repeats. Here, we characterized a total of nine breakpoints for the DPY19L2 NAHR-driven deletion that clustered in two recombination hotspots, both containing direct repeat elements (AluSq2 in hotspot 1, THE1B in hotspot 2). Globozoospermia can be considered as a new genomic disorder. This study confirms that DPY19L2 is the major gene responsible for globozoospermia and enlarges the spectrum of possible mutations in the gene. This is a major finding and should contribute to the development of an efficient molecular diagnosis strategy for globozoospermia.

Women’s perceptions of caesarean section: reflections from a Turkish teaching hospital

Caesarean section as a contentious topic has attracted attention world-wide and different dimensions of the issue has been investigated. The primary reason behind these initiatives have been the upsurge of caesarean sections both in the developed and developing world and the realisation that the operation may not always contribute positively to the mothers and babys health. By contrast, several studies have demonstrated both the short and long term negative effects. Research has also revealed that factors other than medical necessity play an important role in the decision to perform a caesarean section. Turkey, although reliable data does not exist, can be classified among the countries experiencing the caesarean epidemic, at least among highly educated and wealthy mothers. This research, exploring the perceptions of mothers in a teaching hospital with a high caesarean rate, is a rare example of its kind in Turkey. The main finding is the dissatisfaction of the mothers undergoing caesareans during their stay in the hospital.

Comparison of microdose flare-up and antagonist multiple-dose protocols for poor-responder patients: a randomized study

OBJECTIVE To compare the efficacy of the microdose flare-up and multiple-dose antagonist protocols for poor-responder patients in intracytoplasmic sperm injection-ET cycles. DESIGN A randomized, prospective study. SETTING Center for assisted reproductive technology in Turkey. PATIENT(S) Ninety patients with poor ovarian response in a minimum of two previous IVF cycles. INTERVENTION(S) All women were prospectively randomized into two groups by computer-assisted randomization. The patients in group 1 were stimulated according to the microdose flare-up protocol (n = 45), while the patients in group 2 were stimulated according to antagonist multiple-dose protocol (n = 45). MAIN OUTCOME MEASURE(S) The mean number of mature oocytes retrieved was the primary outcome measure, and fertilization rate, implantation rate per embryo, and clinical pregnancy rates were secondary outcome measures. RESULT(S) The mean age of the women, the mean duration of infertility, basal FSH level, and the number of previous IVF cycles were similar in both groups. The total gonadotropin dose used was significantly higher in group 2, while the number of oocytes retrieved was significantly greater in group 1. Although the fertilization and clinical pregnancy rates were nonsignificantly higher in group 1 compared with group 2, the implantation rate was significantly higher in the microdose flare-up group than in the multiple-dose antagonist group (22% vs. 11%). CONCLUSION(S) The microdose flare-up protocol seems to have a better outcome in poor-responder patients, with a significantly higher mean number of mature oocytes retrieved and higher implantation rate.

Why and how should multiple pregnancies be prevented in assisted reproduction treatment programmes

Although most professional societies have issued guidelines to diminish the number of embryos to be transferred during assisted reproductive techniques, the incidence of multiple pregnancies remains unacceptably high. The burden of morbidity and mortality seems to increase substantially with each fetus in a multiple gestation. As a result, there has been growing debate on the need to prevent multiple pregnancies. The infertility specialists who can solve the infertility problem are usually shielded from the complications of multiple pregnancies. If they were involved in the delivery and, more particularly in the care of multiple pregnancies (both financially and socially), their attitude would probably change. IVF centres should gradually reduce the mean number of embryos per transfer in terms of the cost:benefit ratio. A further reduction to one single embryo per transfer in good cases would be similarly acceptable. Laboratory expertise is of vital importance, especially in terms of embryo culture, embryo selection, and freezing and thawing techniques in embryo transfer programmes for reducing the number of transferred embryos.

Zinc concentrations in serum and follicular fluid during ovarian stimulation and expression of Zn2+ transporters in human oocytes and cumulus cells

Serum and follicular fluid zinc concentrations were investigated in patients undergoing assisted reproductive treatment. No correlation was found between zinc and oestradiol concentrations in serum. At the time of oocyte retrieval, zinc concentrations in follicular fluid were significantly lower than serum concentrations (P<0.0001). The expression of the two families of zinc transporters, ZnT and ZiP, as well as the metal regulatory transcription factors, MTF1 and 2, and metallothioneins, which are both involved in regulatory aspects of zinc transport, was assayed in cumulus cells and in germinal-vesicle oocytes. Most of the zinc transporters, metallothioneins and metal regulatory transcription factor are expressed in oocytes and not in cumulus cells. This may indicate an important role for zinc, in particular with potential linking to genome stability during early embryonic development. In contrast, cumulus cells seem to be at the end of their lifes journey, with weak expression of transcriptional activity linked to cellular housekeeping.

Pregnancy following intracytoplasmic sperm injection and preimplantation genetic diagnosis after the conservative management of endometrial cancer

A rare case of a patient with conservatively treated endometrial carcinoma who conceived and delivered a healthy baby after the transfer of embryos with intracytoplasmic sperm injection (ICSI) and preimplantation genetic diagnosis (PGD) is presented. A 41-year-old woman had an office hysteroscopy in the infertility work-up and stage I endometrial adenocarcinoma was diagnosed. After conservative treatment, the patient underwent ICSI and PGD. She achieved pregnancy with two normal embryos. Two gestational sacs were observed but one of them was blighted. The patient subsequently delivered a healthy female infant. Repeated office hysteroscopy and endometrial sampling was performed after delivery. The appearance of the endometrium was normal on hysteroscopy, and the histology report was normal. The principal concern with medical therapy is that the lesion cannot be fully evaluated until the hysterectomy is performed, the nodes palpated, and the uterus is sectioned. The patient was referred to a gynaecological oncologist for definitive surgery.

Laparoscopic high lateral transposition of both ovaries before pelvic irradiation

Lateral ovarian transposition before pelvic irradiation may preserve ovarian function in young women with gynecologic or nongynecologic cancer. We performed high lateral, transposition of both ovaries in a 17-year-old woman with primary non-Hodgkin lymphoma of the sacrum with subsequent preservation of menstrual cyclicity.

Aphasia: an early uncommon complication of ovarian stimulation without ovarian hyperstimulation syndrome.

Thromboembolic disease associated with assisted reproductive techniques is extremely rare. A 21-year-old woman with primary infertility underwent an ovulation induction cycle with luteal long protocol. Twenty-four hours following oocyte retrieval, the patient complained of difficulty in speaking. On neurological examination, mild disorientation, motor aphasia, and right-sided hypoesthesia were noted. Brain computed tomography scanning without contrast revealed left parietal lob infarct. Brain magnetic resonance imaging (MRI), MRI angiography (MRA) and perfusion MRI demonstrated an occlusion of the posterior division of the left middle cerebral artery (MCA). Physical, ultrasound examinations and laboratory test evaluation failed to reveal ovarian hyperstimulation syndrome. Except for ovarian stimulation, no additional risk factors for stroke were shown. Following anticoagulation and speech therapy, the patient recovered completely within eight months. One year after the left MCA thrombosis, she conceived spontaneously and had an uncomplicated vaginal delivery of a live male infant weighing 2900 g at 38 weeks gestation. This case supports that ovulation induction and assisted reproductive techniques may be a newly recognized cause of cerebral infarction in otherwise healthy women.