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  2. Shettles method - Wikipedia

    en.wikipedia.org/wiki/Shettles_Method

    The Shettles Method is a child conception idea that is reputed to help determine a baby's sex. It was developed by Landrum B. Shettles in the 1960s and was publicized in the book How to Choose the Sex of Your Baby, coauthored by Shettles and David Rorvik. The book was first published in 1971 and has been in print in various editions ever since.

  3. Luteinizing hormone - Wikipedia

    en.wikipedia.org/wiki/Luteinizing_hormone

    The sensitivity of LH tests are measured in milli international unit, with tests commonly available in the range 10–40 m.i.u. (the lower the number, the higher the sensitivity). [ citation needed ] As sperm can stay viable in the woman for several days, LH tests are not recommended for contraceptive practices, as the LH surge typically occurs ...

  4. Fertility testing - Wikipedia

    en.wikipedia.org/wiki/Fertility_testing

    This test measures the amount of luteinizing hormone, a hormone that increases just before ovulation, that is in the urine. Before ovulation, the luteinizing hormone levels dramatically increase; this is known as the "LH surge". This test can recognize the LH surge about 1-1.5 days prior to ovulation.

  5. Sex selection - Wikipedia

    en.wikipedia.org/wiki/Sex_selection

    The Whelan method is an "intercourse timing" method that advocates the opposite of the Shettles method. The Whelan method suggests intercourse four to six days prior to ovulation to increase the likelihood of fertilization by male sperm.

  6. Landrum Shettles - Wikipedia

    en.wikipedia.org/wiki/Landrum_Shettles

    A full bibliography of Shettles writings is available. [4] He was the developer of gamete intrafallopian transfer (GIFT), a breakthrough in fertility research Shettles developed the Shettles Method of sex selection that helps prospective parents conceive a child of the desired gender. To achieve this end, it utilizes a number of factors that ...

  7. Gonadotropin surge-attenuating factor - Wikipedia

    en.wikipedia.org/wiki/Gonadotropin_surge...

    The LH secretion most noticeable as a LH surge lasting 48 to 72 hours in the middle of the ovarian cycle. [3] Meiosis in the dominant follicle resumes and follicle ruptures shortly after the LH surge. [27] Ovulation can only occur if GnSAF is absent and the mid-cycle LH surge occurs. [3] [27]

  8. What does 'LH' mean? Here's what you need to know about ... - AOL

    www.aol.com/does-lh-mean-heres-know-175424890.html

    When you come across "/LH" on TikTok it likely means "/light-hearted". Tone indicators like "/LH" are abbreviations that let the reader know the tone of a message. Not only does this help thwart ...

  9. Luteal phase - Wikipedia

    en.wikipedia.org/wiki/Luteal_phase

    Ovulation occurs ~35 hours after the beginning of the LH surge or ~10 hours following the LH surge. Several days after ovulation, the increasing amount of estrogen produced by the corpus luteum may cause one or two days of fertile cervical mucus, lower basal body temperatures, or both. This is known as a "secondary estrogen surge". [4]