May 21, 2012 Mark Clayton: Cybersecurity: How US utilities passed up chance to protect their networks Howard LaFranchi: NATO summit: Who will foot the bill for long-term Afghanistan security? Chris Farrell : Earn Dividends in Emerging Markets with This WisdomTree ETF James K. Glassman: 5 Stock Picks Among Online Retailers Stephen Whiteside, Ph.D. : Mayo Clinic Medical Edge: Social anxiety disorder --- or just shy? Guy Jackson : Victim's father regrets death of Lockerbie bomber The Kosher Gourmet by Mario Batali: Famed chef's veal shoulder farsumagru: A festive meat course for late spring May 18, 2012 Rabbi Berel Wein: Striving: The People of the Book's Book for (All of) the People Caroline B. 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The Kosher Gourmet by Faith Duran : Cheesy Potato Breakfast Casserole with Cheddar and Sun-Dried Tomatoes May 16, 2012 Jackson Holahan: The Aleppo Codex Jonathan Tobin : Iran Declares Victory in Nuclear Talks Kiplinger Reports, Summarized Anne Kates Smith: 7 Stocks That Let You Sleep Tight Carmen Terzic, M.D., Ph.D. : Mayo Clinic Medical Edge: A variety of exercises can help improve balance Melissa Healy: National strategy on Alzheimer's disease aims to halt it by 2025 The Kosher Gourmet by Joyce White : GOODNESS GRACIOUS: GREENS! 4 winning recipes that are no longer just for down-home folks (Includes expert tips & techniques) May 15, 2012 Dennis Prager: God and Man at (and for) Liberty Kristen Chick: Obama administration resumes arms sales to Bahrain despite serious unresolved human rights issues. Activists feel abandoned Pat Mertz Esswein: Homes are now affordable again and mortgage rates are low. 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Shafier: Why happiness will always be elusive Charles Krauthammer: Echoes of '67: Israel unites Howard LaFranchi: With G8 snub, US-Putin 'reset' off to stumbling start Jeremy J. Siegel: Investors, Relax About Rising Interest Rates Jessica L. Anderson: Get the Best Deal on a Used Car Jett Stone: Forget face-lifts and fake knees. Scientists have seen the fountain of youth --- and it's broccoli The Kosher Gourmet by Chef Mario Batali: The famed chef's vegetable dish that tastes true to the season: FAVAS AND SUGAR SNAP PEAS WITH POTATOES AND TARRAGON May 10, 2012 Clifford D. May: The Real Palestinian Refugee Problem Sergei L. Loiko: Putin sends warning to U.S., NATO in Victory Day speech at Red Square Mary Rourke: How being a 'mentch' got Vidal Sasoon his start and fighting in Israel's War of Independence provided him with confidence and a strong sense of his own identity Harvard Health Letters: Palliative care: Underused therapy yields surprising benefits Jeff Bertolucci: Get Home Phone Service for Less Than $10 a Month Rachel L. Sheedy and Susan B. Garland : Make the Right Moves to Boost Benefits The Kosher Gourmet by Betty Rosbottom: Gleaming with its golden, crimson, and snowy white hues, this silken smooth and creamy STRAWBERRY ORANGE TRIFLE looks impressive, but is easy to prepare May 9, 2012 John Rosemond: Parents, stop destroying the American male Valerie J. Nelson: Maurice Sendak, author of 'Where the Wild Things Are,' dies at 83 Bob Frick: Angst Over Annuities Sharon Palmer, R.D. 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Jewish World Review How Stuff Works: How in vitro fertilization works By Marshall Brain http://www.JewishWorldReview.com | (MCT) In vitro fertilization has been in the news lately. But this technique hasn't been around very long. The first "test tube baby" was born in 1978. For much of its history the technique was so expensive that it was limited in its practice. Today, however, it has so inexpensive and so common that a single mother on food stamps can afford it. Hundreds of thousands of IVF babies have been born in the United States. In vitro fertilization is the last line of defense when a woman is having trouble getting pregnant. Doctors will usually try several other techniques before resorting to in vitro technology. The most obvious thing to do is to increase the odds of success with the natural techniques, for example by discovering a woman's day of ovulation and concentrating sexual activity around that time. Drugs can also improve the odds of natural ovulation. If that doesn't work, artificial insemination is another possibility. This technique is easy and inexpensive. Sperm cells from a spouse or sperm donor are injected by a doctor, and everything else happens naturally from there. But if none of these simpler options is fruitful, then in vitro fertilization is the next step. The basic process sounds simple. A doctor harvest eggs from the woman and places them in a container with a growth medium. Sperm cells are added to the eggs to fertilize them. The embryos are allowed to divide several times. Then they are implanted back into the woman to develop normally. There are several variations on this basic theme as well. If the mother is single or if her partner is infertile, sperm could come from a donor. If the mother is infertile, eggs could come from a donor. Or if the mother is fertile but unable to carry the baby, her embryos could be implanted in a surrogate mother (also known as a gestational carrier). Technically it is also possible for any individual to buy donated eggs and donated sperm and hire a surrogate mother to carry the baby to term. In all these variations, the underlying technology is the same. In reality, in vitro fertilization is not simple. It involves a great deal of technology and finesse to get it to work. The process starts with medication that causes more than one egg to develop in the ovaries. When they are ready, the doctor harvests the eggs using a needle that can reach the ovaries. It is not uncommon to harvest a dozen or more eggs. There are two ways to fertilize the eggs. Either thousands of sperm cells can be allowed to swim around the eggs to fertilize them normally, or a sperm cell can be injected into the egg. Once fertilized, the embryos go into an incubator so they can divide several times. At this stage, embryos can be tested for things like genetic defects and gender. Chosen embryos are ready for implanting. Implanting involves placing the embryos into a woman's uterus. Unlike extracting the eggs, the implanting process is simple, usually using a plastic tube. The number of embryos to implant is an open question, since less than half of implanted embryos survive. Because of the odds, more than one embryo is implanted in almost all cases. The exact number depends on the age of the mother and her condition. Once implanted, nature takes over again and the baby or babies develop normally. Somewhere between a quarter and a half of all in vitro fertilization procedures result in a successful birth. Quite a bit depends on whether the eggs are donated or not, and whether or not eggs or embryos are frozen during the process. Fresh, non-donated eggs have the best chance of success. The age of the mother also matters. The good news is that the rate of success has been increasing and the cost of the procedure has been falling. This means that thousands of couples who could not have otherwise conceived a child are able to have babies. Every weekday JewishWorldReview.com publishes what many in the media and Washington consider "must-reading". Sign up for the daily JWR update. It's free. Just click here. Comment by clicking here. Previously: How supertankers work How poisons work How corn works How dog ID chips work How President Obama's limousine works How emergency power works How aircraft carriers work How antibiotics and vaccines work How mucus works How iron and steel work How aspirin works How igloos work How the Predator UAV works How retention ponds work How water absorbers work How melamine works How digital music works How coal mining works How an economic depression works How the liver works How 3D movies work How oil pipelines work How jet packs work How seismographs work How Olympic technology works How Personal Rapid Transit works How 3G works How the Global Position System (GPS) works How octane works How cruise missiles work How submarines work How miles work How octane works How food preservation works How beer works How holding your breath works How smoke detectors work How heat pumps work How your night vision works How concentrating solar collectors work How your key fob works How the common cold works How the Large Hadron Collider Works How making a TV show works How dry cleaning works How exoskeletons work How an oil refinery works How landfills work How the Orion spacecraft works The cutting edge in HDTV Redefining the CD How the HDMI cable scam works How glow-in-the-dark toys work How the subprime mortgage crisis works How gift cards work How Tasers work How giant TV screens work How foreclosure works How Air Force One works How wildfire fighting works How vitamins work How ejection seats work How reattaching limbs works How hot air balloons work How paparazzi work How counterfeiting works How CDs work How the Edsel worked How Stinger missiles work How hybrid cars work How sharks work How mosquitoes work How diesel engines work How water towers work How the Dawn mission works How Kassam rockets work How the North American Eagle works Why aren't we flying to work? How tofu and soy milk work How Colony Collapse Disorder works How airbags work How the U.S. income tax works How gum works How caffeine works How Daylight Saving Time works How a cruise missile works How snow making works © 2007, How Stuff Works Inc. Distributed by McClatchy-Tribune Information Services.

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