Shettles method
Shettles Method
The Shettles Method (pronunciation: /ˈʃɛtəlz ˈmɛθəd/) is a technique for sex selection proposed by Dr. Landrum B. Shettles in the 1960s. The method is based on the concept that sperm carrying the Y chromosome (male) move faster but are more fragile than sperm carrying the X chromosome (female).
Etymology
The term "Shettles Method" is derived from the name of its proponent, Dr. Landrum B. Shettles, an American obstetrician and gynecologist.
Methodology
The Shettles Method suggests that the timing and nature of sexual intercourse can influence the sex of the baby. According to the method, to increase the chances of having a boy, intercourse should be timed as close as possible to ovulation. For a girl, intercourse should occur earlier in the woman's cycle, allowing the slower but more resilient X-chromosome sperm to reach the egg.
Related Terms
Criticism
While the Shettles Method has gained popularity due to its non-invasive nature and lack of cost, scientific studies have not found consistent evidence to support the effectiveness of the method. The American Society for Reproductive Medicine states that the method is not reliable for sex selection.
See Also
External links
- Medical encyclopedia article on Shettles method
- Wikipedia's article - Shettles method
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