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The technique, first attempted by Steptoe and Edwards [1] and later pioneered by endocrinologist Ricardo Asch, allows fertilization to take place inside the woman's uterus. [2] With the advances in IVF the GIFT procedure is used less as pregnancy rates in IVF tend to be equal or better and do not require laparoscopy when the egg is put back. [3]
The Billings ovulation method is a method in which women use their vaginal mucus to determine their fertility. [3] It does not rely on the presence of ovulation, rather it identifies patterns of potential fertility and obvious infertility within the cycle, whatever its length. Effectiveness, however, is not very clear. [3]
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 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 ...
In vitro fertilisation (IVF) is a process of fertilisation in which an egg is combined with sperm in vitro ("in glass"). The process involves monitoring and stimulating a woman's ovulatory process, then removing an ovum or ova (egg or eggs) from her ovaries and enabling a man's sperm to fertilise them in a culture medium in a laboratory.
Fertilization was not understood in antiquity. Hippocrates believed that the embryo was the product of male semen and a female factor. Aristotle held that only male semen gave rise to an embryo, while the female only provided a place for the embryo to develop, [5] a concept he acquired from the preformationist Pythagoras.
Fertility/contraception monitor. A fertility monitor is an electronic device which may use various methods to assist the user with fertility awareness. A fertility monitor may analyze changes in hormone levels in urine, basal body temperature, electrical resistance of
This device helps women use the Standard Days Method, a fertility awareness-based family planning method. The sole manufacturer is a US for-profit company, Cycle Technologies [ 1 ] . The Standard Days Method is based on the fact that there is a fertile window during a woman's menstrual cycle which begins several days before ovulation and ends a ...