نتایج جستجو برای: in vitro fertility

تعداد نتایج: 16984712  

Journal: :Family planning perspectives 1993
L S Wilcox W D Mosher

OBJECTIVE To examine the characteristics of women in the 1988 National Survey of Family Growth who reported having obtained medical services for impaired fecundity. METHODS From a national sample of 8450 women between the ages of 15-44, drawn from the civilian, noninstitutionalized population of the entire United States in 1988, we estimated the use of infertility services in the United State...

2016
Mahsa Kamali Soghra Bahmanpour

BACKGROUND One of the major problems of the aged women or older than 35 is getting pregnant in the late fertility life. Fertility rates begin to decline gradually at the age of 30, more so at 35, and markedly at 40. Even with fertility treatments such as in vitro fertilization, women have more difficulty in getting pregnant or may deliver abnormal fetus. The purpose of this study was to assess ...

2015
Fisun Vural Birol Vural Yiğit Çakıroğlu

OBJECTIVE Obesity is a worldwide concern with detrimental health effects including decreased fecundity. However, obesity's impact on in vitro fertilization (IVF) is inconclusive and there is little data concerning poor ovarian responders (POR). This study explored the effects of overweight and obesity on IVF outcomes of POR. Design. We retrospectively evaluated 188 POR undergoing IVF cycles. ...

Journal: :Reproduction in domestic animals = Zuchthygiene 2008
D Rath L A Johnson

The current technology to sort X and Y chromosome bearing sperm population requires individual identification and selection of spermatozoa in a modified high-speed flow cytometer. For farm animal species, the technology is capable of producing sexed sperm at greater than 90% purity. However, only in the bovine, the technology has reached a developmental level that allows its commercial applicat...

Journal: :The International journal of developmental biology 2012
Evelyn E Telfer Marie McLaughlin

Many young cancer patients are now being given the option to store ovarian cortical biopsies before undergoing potentially damaging chemo- or radiotherapy. This tissue mainly contains large numbers of immature primordial follicles. Currently the only option to restore fertility using this tissue is by transplantation which may not be a viable option for all patients. Greater options to realise ...

Journal: :Rheumatology 2011
Richard A Hickman Caroline Gordon

SLE is a multi-system, autoimmune condition that can influence both male and female fertility. Inability to conceive may be attributed to several factors that may act singly or in combination: (i) older age in patients with SLE compared with healthy controls; (ii) disease-related infertility; and (iii) infertility through gonadotoxic treatments. In addition, psychosocial factors related to the ...

Asgari V, Bakhtari A, Bonakdar E Hosseini SM Jafarpour F, Nasr-Esfahani MH

Background: While assisted reproductive techniques (ARTs) are considered to be safe, many concerns exist about the safety of these techniques. Two important and indispensable parts of these techniques are in vitro culture and vitrification. While much progress has been made in developing culture conditions, it remains suboptimal. In order to investigate the effect of culture medium on in vitro ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده علوم 1388

فیبریل های آمیلوئید از متراکم شدن کند حالت های حد واسط تا حدی تا خورده پروتئین ناشی می شود. در این مطالعه ما کینتیک تشکیل فیبریل آلفا-لاکتالبومین و جلوگیری از تشکیل آن به وسیله s?-کازئین در حضور و غیاب عامل ازدحام دکستران (kda 68( را مقایسه کردیم. نتایج ما نشان می دهد که s?-کازئین یک مولکول چاپرون که در شیر گاو یافت می شود و بعضی از ویژگی های پروتئین های شوک حرارتی کوچک (shsp) را نشان می دهد در...

ژورنال: :journal of reproduction and infertility 0

اهمیت ماتریکس خارج سلولی (ecm) در تکامل و کارکرد سلول های مختلف گزارش شده است ولی اطلاعات کمی در رابطه با نقش آن در کارکرد سلول های اپی تلیال اندومتر انسان در دست می باشد. در این تحقیق اثرات ecm مصنوعی (matrigel) روی عملکرد سلول های اپی تلیال اندومتر با استفاده از تکنیک های مولکولی مورد بررسی قرار گرفته است. مواد و روشها: نمونه های اندومتر با اطلاع بیمار و تأیید کمیته اخلاقی از 17 زن با باروری ...

Roshangar L, Soleimani Rad J Soleimani Rad S

Background: Cryobiology and in vitro maturation of oocytes are very important tools of reproductive technology. Oocyte plays an important role in fertility. The objective of this research is comparison study the effect of invitro maturation and IVF fertilization of cryopreserved oocyte with fresh oocyte in mice. Materials and Methods: For this purpose, after superovulation was performed oocytes...

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