Reproductive Medicine and Biology

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Heterotopic autotransplantation of vitrified mouse ovary
Reproductive Medicine and Biology - Tập 10 - Trang 267-275 - 2011
Hussein Eimani, Arash Behbahanian, Bahman Zeinali, Mojtaba Rezazade Valoujerdi, Poopak Eftekhari, Abdulhussein Shahverdi, Hamid Gourabi, Afsaneh Golkar-Narenji
The aim of this study was to investigate the survival and development of premature follicles and oocytes from a vitrified-transplanted ovary in a murine experimental model. The 14-day-old mice were unilaterally ovariectomized and the separated ovaries were vitrified by cryotop. After 2 weeks the ovaries were warmed and autotransplanted into the gluteus superfiscialis muscle. After 3 weeks, these o...... hiện toàn bộ
Nuclear reprogramming of sperm and somatic nuclei in eggs and oocytes
Reproductive Medicine and Biology - - 2013
Marta Teperek, Kazuaki Miyamoto
AbstractEggs and oocytes have a prominent ability to reprogram sperm nuclei for ensuring embryonic development. The reprogramming activity that eggs/oocytes intrinsically have towards sperm is utilised to reprogram somatic nuclei injected into eggs/oocytes in nuclear transfer (NT) embryos. NT embryos of various species can give rise to cloned animals, demonstrating...... hiện toàn bộ
Human sperm motility in a microgravity environment
Reproductive Medicine and Biology - Tập 4 - Trang 161-167 - 2005
Takahito Ikeuchi, Shoichi Sasaki, Yukihiro Umemoto, Yasue Kubota, Hiroki Kubota, Tomoyoshi Kaneko, Kenjiro Kohri
We carried out clinostat and parabolic flight experiments to examine the effects of a microgravity (,uG) environment on human sperm motility. Semen samples were obtained manually from 18 healthy men (aged 27.4 ± 5.4 years) who had given their informed consent. In dinostat experiments, samples that were left stationary were used as a stationary control. Samples rotated vertically and horizontally w...... hiện toàn bộ
Diagnosis and treatment methods for recurrent miscarriage cases
Reproductive Medicine and Biology - Tập 8 Số 4 - Trang 141-144 - 2009
Sugiura-Ogasawara, Mayumi, Ozaki, Yasuhiko, Kitaori, Tamao
Recurrent miscarriage is classically defined as three or more consecutive pregnancy losses. Established causes of recurrent miscarriage are antiphospholipid antibodies, uterine anomalies and abnormal chromosomes in either partner, particularly translocations. Embryonic aneuploidy is the most important cause of miscarriage before 10 weeks’ gestation. It can be speculated that about 51% of pati...... hiện toàn bộ
Selected single blastocyst transfers maintained pregnancy outcome and eliminated multiple pregnancies
Reproductive Medicine and Biology - Tập 3 - Trang 13-18 - 2004
Takeshi Kuramoto, Arief Boediono, Akiyoshi Egashira, Mutsuro Motoishi, Michiyo Sugioka, Kimiko Fukuda, Toki Higashijima, Naomi Yoshioka, Rajadurai Raiamahendran
Transfer of more than one embryo followingin vitro fertilization/intracytoplasmic sperm injection cycles have increased pregnancy rate at the cost of increasing the incidence of triplets and twins. It has been proposed that prolonged culture to the blastocyst stage would automatically result in the selection of good quality embryos for transfer and minimize the incidence of triplets and twins. The...... hiện toàn bộ
Referees
Reproductive Medicine and Biology - Tập 6 - Trang 241-242 - 2007
Two cases of ectopic ovary and one case of potential ectopic ovary
Reproductive Medicine and Biology - - 2011
Eiji Nishio, Yutaka Hirota, Akira Yasue, Haruki Nishizawa, K. Tsukada, Yasuhiro Udagawa
AbstractEctopic ovary is a rare gynecologic entity. A variety of synonymous terms such as ectopic ovary, supernumerary ovary, accessory ovary, and autoamputation of the ovary have been used to describe this condition. The etiology for ectopic ovary has not been elucidated, but several mechanisms have been proposed. They are categorized as either congenital (embryol...... hiện toàn bộ
A case of empty follicle syndrome who conceived after aspiration of an endometrial cyst
Reproductive Medicine and Biology - Tập 12 - Trang 111-115 - 2013
Rieko Tanaka, Mariko Murase, Yoshino Aizawa, Miwa Segino, Yumi Ishidera, Masakazu Kitagawa, Kayo Katayama, Kunitomo Takashima, Yasushi Yumura, Hiroshi Yoshida, Hideya Sakakibara, Fumiki Hirahara
Empty follicle syndrome (EFS) has been defined as a condition where no oocytes can be retrieved for in vitro fertilization (IVF) even though ultrasound findings and estradiol (E2) levels suggest the presence of potential follicles. The EFS is a rare condition with an incidence of 0.5–7 % of women undergoing IVF treatments. Although there are many hypotheses as to the cause of EFS, including advanc...... hiện toàn bộ
Sex-discordant twins despite single embryo transfer: a report of two cases
Reproductive Medicine and Biology - Tập 9 - Trang 169-172 - 2010
Nobuo Sugawara, Hideyuki Fukuchi, Machiko Maeda, Rie Komaba, Yasuhisa Araki
We report two extremely rare cases in which the patients delivered male and female infants that were dizygotic twins (DZT) despite single embryo transfer. Case 1: The patient was a 35-year-old woman with a 9-year history of unexplained infertility. In an oocyte retrieval cycle, one blastocyst was transferred; at 26 weeks of gestation, she delivered a 704-g female infant and a 420-g male infant by ...... hiện toàn bộ
Short-term exposure of female rats to industrial metal salts: Effect on implantation and pregnancy
Reproductive Medicine and Biology - Tập 6 - Trang 179-183 - 2007
Hameed N. Bataineh, Ziad M. Bataineh, Haytham Daradka
The objective of this study was to characterize the adverse effects of industrial metal salts during the early stages of pregnancy. Successfully mated female rats were exposed to the following metal salts via intragastric intubation; manganese sulfate, lead acetate, aluminum chloride, ferrous chloride and ferric chloride in doses of 50 mg/kg body weight and chromium chloride and potassium dichroma...... hiện toàn bộ
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