Nike Uptempo Obsidian On Feet

Nike Uptempo Obsidian On Feet

CHICAGO (AP) Boy or girl? A simple blood test in mothers to be can answer that question with surprising accuracy at about seven weeks, a research analysis has found. doctors, gender detecting blood tests have been sold online to consumers for the past few years. Their promises of early and accurate results prompted genetics researchers to take a closer look.

He said his hospital doesn't provide the blood tests, and doesn't offer more conventional techniques, including amniocentesis, to women who have no medical reason for wanting to know their baby's gender.

Tests that companies sell directly to consumers were not examined in the analysis. Sex detection tests using mothers' urine or blood before seven weeks of pregnancy were not accurate, the researchers said. Diana Bianchi, a reproductive geneticist and Nike Uptempo Obsidian On Feet executive director of the Mother Infant Research Institute at Tufts Medical Center in Boston, called the results impressive. She noted that doctors in Great Britain are already using such testing Nike More Uptempo 2016 Uk

Conventional procedures, typically done for medical reasons, can detect gender starting at about 10 weeks.

The company also won't sell kits to customers in China or India because of fears of gender selection, he said.

Nike Uptempo Obsidian On Feet

Recent research found that increasing numbers of women in India who already have daughters are having abortions when prenatal tests show another girl, suggesting that Nike Air Max Uptempo 95 Sale

A simple test raises ethical concerns

They analyzed 57 published studies of gender testing done in rigorous research or academic settings though not necessarily the same methods or conditions used by direct to consumer firms. But the study raises concerns about couples using such tests for gender selection and abortion.

Nike Uptempo Obsidian On Feet

Nike Uptempo Obsidian On Feet

Dr. Lee Shulman, chief of clinical genetics at Northwestern Memorial Hospital in Chicago, said the testing "isn't ready for prime time."

Nike Uptempo Obsidian On Feet

Medical techniques that can detect gender include amniocentesis, usually done at around 16 weeks, using a needle to withdraw fluid surrounding the fetus to identify abnormalities; chorionic villus sampling, done at around the 10th week to detect abnormalities by examining placenta tissue; and ultrasound, most accurate at around 13 weeks. The first two methods can slightly increase risks for miscarriages.

The analyzed test can detect fetal DNA in mothers' blood. It's about 95 percent accurate at identifying gender when women are at least seven weeks' pregnant more than one month before conventional methods. Accuracy of the testing increases as pregnancy advances, the researchers concluded.

Nike Uptempo Obsidian On Feet

Carmichael said the company sells more than 1,000 kits a year. He said the company won't test blood samples unless women sign a consent form agreeing not to Nike Air More Uptempo Black White 2016

"I would have a lot of difficulties offering such a test just for gender identification. Gender is not an abnormality," Shulman said. "My concern is this is ultimately going to be available in malls or shopping centers," similar to companies offering "cute" prenatal ultrasound images.

Nike Uptempo Obsidian On Feet

Nike Uptempo Obsidian On Feet

The new analysis, published in Wednesday's Journal of the American Medical Association, involved more than 6,000 pregnancies. The testing used a lab procedure called PCR that detects genetic material in this case, the male Y chromosome. If present in the mother's blood, she's carrying a boy, but if absent, it's a girl.

for couples at risk of having children with hemophilia or other sex linked diseases, partly to help guide treatment decisions.

an Indian ban on such gender testing has been ineffective. The expense of marrying off girls has contributed to a cultural preference there for boys.

Nike Uptempo Obsidian On Feet

Simpson noted that using gender detection blood testing for medical or other reasons has not been endorsed by guideline setting medical groups and some experts consider it experimental.

The research indicates that many laboratories have had success with the test, but the results can't be generalized to all labs because testing conditions can vary substantially, said Dr. Joe Leigh Simpson, a genetics professor at Florida International University. He was not involved in the study.

Consumer Genetics Inc. a Santa Clara, Calif. based company sells an "early gender" blood test called "Pink or Blue" online for $25 plus $265 or more for laboratory testing. It boasts of 95 percent accuracy, using a lab technique its scientists developed from the type of testing evaluated in the new analysis, said Terry Carmichael, the company's executive vice president.

Evidence also suggests that China's limits on one child per couple and traditional preference for male heirs has contributed to abortions and an increasingly large gender imbalance. abortions or whether gender preferences or gender detection methods play a role, said Susannah Baruch, a policy consultant for the Generations Ahead, an advocacy group that studies genetic techniques and gender issues.

use the results for gender selection.

Nike Uptempo Obsidian On Feet

Nike Uptempo Obsidian On Feet

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