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Conventional methods of semen preparation for IVF, such as swim-up sedimentation, regular Percoll gradients, are not very effective in the treatment of severe oligoasthenozoospermia (total motile count less than 5 X 10(6)). For these cases, a new method of sperm preparation consisting of a reduced volume of a discontinuous Percoll gradient (mini-Percoll)(More)
In a retrospective analysis of 637 cycles of ovarian stimulation and transvaginal follicular aspiration for various assisted reproductive technologies, severe ovarian hyperstimulation syndrome (SOH) occurred in six (0.94%) cycles. The patients at a high risk of developing SOH in cycles of assisted reproduction were those who had excessive serum oestradiol(More)
The objective of this study was to determine the conception rate in infertile couples in which the female partner was > or = 40 years old and who had received ovarian stimulation treatment and intra-uterine insemination (IUI). It was a retrospective study of 77 patients who underwent a total of 210 treatment cycles. Protocols for ovulation induction(More)
The incidence of postoperative adhesion formation following microsurgical and macrosurgical ovarian wedge resection was contrasted in 10 adult female rhesus monkeys. Bilateral wedge resection was performed on day 10 of the luteal phase using microsurgical technique on one ovary and macrosurgical technique contralaterally. Animals were examined 4 weeks(More)
BACKGROUND Congenital absence of the vas deferens has been considered a virtually untreatable cause of male sterility. Furthermore, sperm that have not passed through at least the head of the epididymis have been thought to be incapable of causing pregnancy. We attempted to determine whether human sperm that had never passed through the epididymis could(More)
OBJECTIVE The purpose of the study was to determine the impact of two forms of luteal-phase supplementation, human chorionic gonadotropin (hCG) and progesterone (P), during gonadotropin releasing hormone agonist (GnRh-a)/controlled ovarian hyperstimulation (COH) cycles. DESIGN AND PATIENTS The study was a prospective, randomized evaluation of 77 patients.(More)
The incidence of monozygotic twinning (MZT) is higher in pregnancies conceived after assisted reproduction than after natural conception. Alterations, produced by ovarian stimulation, in-vitro culture conditions and specifically alterations of zona pellucida are mentioned as possible causes of this phenomenon. A retrospective review was performed of the(More)
Previous experiences in subjects with other forms of third space fluid accumulation have shown that albumin is efficacious in preventing and correcting haemodynamic instability. Using a similar approach in an effort to increase the serum oncotic pressure and to reverse the leakage of fluids from the intravascular space, high risk subjects for severe ovarian(More)
Although a number of different mechanisms have been suggested to account for the decline of fertility with age, the majority of studies agree that poor oocyte quality and reduced endometrial receptivity are the most important. In fact, the increased incidence of early pregnancy loss and chromosomal abnormalities of oocytes in older women, as well as the(More)
Two cases of patients with ruptured ovarian pregnancies (P1 = ovarian heterotopic and P2 = primary ovarian ectopic) after intracytoplasmic sperm injection and blastocyst transfer are presented. Laparoscopy was performed on day 40 and day 27 after transfer in cases P1 and P2 respectively. In both cases the ectopic pregnancies were located on the left ovary(More)