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Tag: "fertility" at biology news

Costly breeding programs for endangered species pay off

...ing groups exhibited similar levels of fitness and fertility as long as they remained in a controlled, "captive" setting. However, after the simulated release into the wild, the MAI populations were less likely to go extinct or to suffer population crashes than were the populations that had undergone limited i...

Most embryos produced during IVF do not result in live births

...viewed seven years of U.S. statistics from all the fertility clinics that report data on reproductive techniques. Director of the Yale Fertility Center, Pasquale Patrizio, M.D., professor in the Department of Obstetrics, Gynecology & Reproductive Sciences led the project. "Something in nature has decided...

New Discovery May Help Doctors Treat Infertility

... suggests that medications commonly referred to as fertility drugs may be ineffective for women who lack a gene... the estrogen receptor beta. The study showed that fertility drugs did not improve ovulation rates in mice that were genetically engineered to lack estrogen rece...

Environmental chemical cocktail may sabotage sperm

...uld have important negative implications for human fertility for two reasons. Firstly, humans are likely to be ...subtle effects that could have a serious impact on fertility without reducing the number of sperm being produced." The mechanism of action of the environmental ...

Invitrogen Launches i-Path -- A Unique Systems Biology Platform at BIO 2005

...e almost all that are retrieved from women seeking fertility treatment are used to treat the patient. Immature oocytes are not used routinely for treatment at present, and so any that are retrieved can be donated for research. These immature oocytes are arrested in the prophase I stage, before meiotic division...

Scientists succeed in cloning human embryos from eggs matured in the lab

...e almost all that are retrieved from women seeking fertility treatment are used to treat the patient. Immature oocytes are not used routinely for treatment at present, and so any that are retrieved can be donated for research. These immature oocytes are arrested in the prophase I stage, before meiotic division...

Scripps research scientists identify infertility molecule

...ain type of molecule known as an LPA receptor have fertility problems, which suggests that these receptors play...ar on the surface of cells in a mouse's womb, have fertility problems. These mice are able to produce eggs normally, so that the eggs can be fertilized, but the ...

Human Eggs Can Develop From Ovarian Surface Cells In Vitro

...an eggs from OSE cells may help women with reduced fertility and premature menopause, who lack follicles in their ovaries, to have a better chance of conceiving through in vitro fertilization. Eventually, frozen OSE cells from younger females may be preserved for later production of fresh eggs. This may preven...

Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment

...ld be insurance for those women at highest risk of fertility problems after cancer treatment. When a woman wis...seling and information for women considering their fertility options, and the clinic currently freezes embryos for cancer patients who have a partner. The clinic...

First frozen egg baby born in Canada

...This is fantastic news for both the family and for fertility health research and we would like to congratulate ...oung women diagnosed with cancer to preserve their fertility before undergoing chemotherapy and radiotherapy, which can cause infertility and premature menopause...

Development of portable infectious disease detector

...thepoint-of-care diagnostics market.For their home fertility tester, Pria kept costs down by keeping theirsystem as simple as possible. Instead of trying to squeeze everythingonto a single chip, Pria designers started with a desktop diagnosticsystem and shrank it down into a device about the size of a coffee c...

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