Search results
Results from the WOW.Com Content Network
The Sisterhood Method is a household survey to estimate maternal deaths recommended by the World Health Organization (WHO). Although maternal deaths are a major problem in developing countries, high quality data are rare.
For avoiding pregnancy, the perfect-use failure rate of Creighton was 0.5%, which means that for each year that 1,000 couples using this method perfectly, that there are 5 unintended pregnancies. The typical-use failure rate, representing the fraction of couples using this method that actually had an unintended pregnancy, is reported as 3.2% ...
The first secular teaching organization was the Fertility Awareness Center in New York, founded in 1981. [18] Toni Weschler started teaching in 1982 and published the bestselling book Taking Charge of Your Fertility in 1995. [ 19 ]
As a result of the 1992 Fertility Clinic Success Rate and Certification Act, the CDC is required to publish the annual ART success rates at U.S. fertility clinics. [29] Assisted reproductive technology procedures performed in the U.S. has over than doubled over the last 10 years, with 140,000 procedures in 2006, [30] resulting in 55,000 births ...
The Easterlin hypothesis (Easterlin 1961, 1969, 1973) states that the positive relationship between income and fertility is dependent on relative income. [1] [2] It is considered the first viable and a still leading explanation for mid-twentieth century baby booms.
A woman's fertility is affected by her age. The average age of a girl's first period is 12–13 (12.5 years in the United States, [4] 12.72 in Canada, [5] 12.9 in the UK [6]), but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, 50% in the third and 10% in the sixth year. [7]
As with most fertility procedures, success depends on the couple's age and the woman's egg quality. It is estimated that approximately 25–30% of GIFT cycles result in pregnancy, [5] with a third of those being twins or triplets, etc. The First GIFT baby in the UK was Todd Holden born in October 1986.
The first recorded case of artificial insemination was John Hunter in 1790, who helped impregnate a linen draper's wife. [1] [2] The first reported case of artificial insemination by donor occurred in 1884: William H. Pancoast, a professor in Philadelphia, took sperm from his "best looking" student to inseminate an anesthetized woman without her knowledge.