O + 12 (a plus twelve) is a method used to give birth to a girl. According to the method to conceive a girl you must have sexual contact approximately 12 hours after ovulation.
Thus, O comes from ovulation plus 12 hours. An O + 12 is the opposite of the Shettles method, which says male can be obtained on ovulation day.
(Note for those who want a boy: O + 12 is a method that allows the choice of female sex).
The history of the O + 12 method of conceiving a girl
The O + 12 method was not conceived by a doctor or published in a book. She was proposed by an Australian mother, a practitioner of the Shettles method who had 6 children, believing she could conceive a girl through sexual contact immediately after ovulation, which is the opposite of what the Shettles method says.
After she finally gave birth to a girl, she shared her method with the other mothers, many of whom conceived a girl. Then the method came to the Internet, and here we are.
Theory O + 12
The O + 12 theory was developed by examining the "New Zealand Study" published in 1984. The study was conducted to test the Shettles theory, by carefully monitoring participants to determine the period of ovulation.
The girls born in this study are now old enough to become mothers and may be wondering today how to choose the gender of their child.
The researchers concluded that the results "clearly disprove" the Shettles theory, because most conceptions that happen 3 to 5 days before ovulation resulted in boys, not girls, as Shettles claimed.
Kynzi noted that the only day when more girls were conceived than boys was the day after ovulation.
It appears that there were some New Zealand Study data that were not disclosed and that shows that the ratio of sperm to chromosome X / sperm to chromosome Y is higher if a man abstains for a while from ejaculation.
The secret of the O + 12 method: Determination of ovulation
Before going into detailed instructions regarding the O + 12 method, suffice it to say that a successful application of the O + 12 method depends on how well you can determine the ovulation period.
Most of us have spent our whole lives being totally unaware that the drama of ovulation occurs in our bodies at every cycle. Get ready to spend some time learning how your body works (you'll be fascinated) and learning how to identify the subtle signals of your body announcing ovulation.
O + 12 instructions
1. The father should not ejaculate for at least 7 days before sexual contact (and preferably more than 7 days).
This doesn't mean he can't have sex, but just that he doesn't have to ejaculate so you better keep an eye on him when he's taking a shower. Try to convince him to refrain from the first day of your cycle.
The reason for this abstention is sperm that gives female sex and is supposed to live longer. An old sperm reserve should have more X chromosomes than Y (about 2% more, according to some data).
2. You must have sexual contact only once, 8 to 20 hours after ovulation.
Start counting the 8-20 hours when ...
• Any deaf pain caused by ovulation disappeared.
• The cervical mucus begins to change its appearance and becomes creamy and sticky.
• Your cervix begins to become less soft and lower.
You should postpone sexual contact until your baseline temperature rises once (morning or evening), which confirms that the ovulation has really ended.
3. After that you should NOT have sexual contact again until you are sure that you have left the fertile period.
Use a condom or wait until you are sure that the fertile period is over, because the fresh amount of sperm is likely to have more Y chromosomes.
When you have THREE high temperatures on the TCB table, it means that the fertile period is over.
4. Optional variant
Along with the O + 12 method, many people also try:
• Diet to conceive a girl
• Supplements (calcium and magnesium, meringue)
O + 12 tips
The most accurate determination of ovulation is the secret of the success of the O + 12 method, and it is not so easy to achieve.
Most ovulation detection methods are developed in such a way as to show you the day of ovulation, which is generally sufficient information to become pregnant or to avoid pregnancy. In order to apply the O + 12 method, we must be experts in ovulation.
Exercise, practice and practice again
Monitor ovulation indicators for several menstrual cycles. Often, the period of ovulation can only be determined after it is over. These few cycles you will practice will give you confidence that you know when ovulation occurs and will also give you a comparison term when you are ready to try to get pregnant.
Use as many indicators of ovulation
Regardless of how regular your cycle is or how many cycles you practice, each cycle is different. Gather as many clues as you can to determine the true moment of ovulation. Indicators of ovulation include basal body temperature (TCB), cervical mucus (MC), cervical position (PC).
Pay close attention to the cervical mucus and cervical position
Your cervical mucus will usually change within the first few hours of ovulation and will become creamy and sticky. Start counting the hours when the cervical mucus starts to change and your cervix is not too high and too soft.
Get your basal body temperature right
Basal body temperature is a safe way to find out whether or not ovulation has passed, so make sure you are very careful when you take your temperature and wait for your temperature to rise so you can have sexual contact.
However, if you take your temperature once a day, that only tells you that ovulation has occurred in the last 24 hours - and then it might be too late to conceive, because the egg survives only 24 hours. It would be good to take your temperature once in the evening.
It may not be as accurate in the evening when you are not resting, but if you take your temperature at the same time each evening, you will find that you can find a pattern. If you take your temperature and morning and evening you should be able to detect ovulation during the last 12 hours.
You have to remember that your temperature will be different in the evening compared to the morning - so you cannot compare them with each other. You can only compare evening temperatures with other evening temperatures.
Note when you have ovulation pain
Ovulation pains can indicate the exact time of ovulation - but they can also fool you because you may have overlooked certain pains during previous ovulations. Not all women have pain, and if you have it, it may not happen at every cycle.
Tips on Pain from Ovulation:
• Note any pain you have during ovulation in the first few cycles when you exercise and what is the connection between them and other symptoms. You may notice that ovulation pain occurs at about the same time as the previous menstruation began.
• It differentiates between types of pain: A continuous pain before ovulation, a deaf pain during ovulation and cramps after ovulation.
• The pain should come from one side (not from the center) and it may only be from one side.
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