Methods
Some countries count gestational age from fertilization instead of LMP. This method of counting is also known as fertilization age, embryonic age, fertilizational age or (intrauterine) developmental (IUD) age. This method is more prevalent in descriptions of prenatal development of the embryo or fetus. The LMP gestational age is usually greater by about two weeks. Also, pregnancy often is defined as beginning with implantation, which happens about three weeks after the LMP (see the beginning of pregnancy controversy).
Read more about this topic: Gestational Age
Famous quotes containing the word methods:
“We can best help you to prevent war not by repeating your words and following your methods but by finding new words and creating new methods.”
—Virginia Woolf (1882–1941)
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—Germaine Greer (b. 1939)
“All men are equally proud. The only difference is that not all take the same methods of showing it.”
—François, Duc De La Rochefoucauld (1613–1680)