Female sperm are xx sperm, and male sperm are xy sperm. Hence, we frequently refer to sperm as being either male y or. Im glad at least to see that the girl method had a higher percentage than the boy method as that is what i was trying for. Its called the shettles method, based on the work of dr. Once we got the positive opk i waited 12 hours and bd with my husband. How to choose the sex of your baby explains the simple, athome, noninvasive shettles method and presents detailed steps to take to conceive a child of a specific gender. The main theory behind this method of gender selection which boasts a 75 percent success rate though independent studies havent backed up that claim is that girlproducing sperm xsperm move slower but are more resilient and live longer than maleproducing sperm ysperm, which are faster but have shorter life spans. The properly applied shettles method gives couples a 75 percent or better chance of having a child of the desired sex. The shettles method proposes that to have a baby boy, the insemination must happen as close to the ovulation day as possible. The shettles method is the worlds best known gender selection method, achieving fame in the million copy bestseller how to choose the sex of your baby. Since boy sperm cannot survive in an acidic vagina, dr. Shettles believed that correctly timing intercourse was the most important factor in choosing to conceive a boy or girl.
Shettles claimed to have found a simple, athome method that is 7590 percent foolproof for selecting. And further from ovulation within your fertile window girl. Its amazing that dr shettles book would claim those percentages if it were not true. Without a condom, i would not trust this method to prevent pregnancy.
According to the shettles method, to conceive a boy, you need to time intercourse as close to ovulation as possible. If there are ways to have a boy that doesnt involve. How to choose the sex of your babyrevised in 2006 and first published in 1970, this book provides authoritative scientific studies and compelling anecdotal evidence demonstrating the shettles method. Amos grunebaum, md, facog is a professor of obstetrics and gynecology, and among the worlds leading authorities on fertility and pregnancy. Whelans method, reading the books is vital, so you understand the steps involved in order to conceive a child of the desired sex. Shettles has a formidable record for being both ahead of his time and right. In the 1970s dr shettles found that female and male sperm had different characteristics. To understand how the shettles method works, we first need to clarify the qualitative differences between the x and y chromosomecarrying sperm. Now the reason for this is because they are so much faster than the girl sperm, it gives them a more likelihood of fertilizing the egg before the girl sperm would. The shettles method suggests that certain vagina environments, sexual positions, and dates of intercourse timed in relation to ovulation will favor one sperm over the other, based on the sperm attributes described above. Shettles, an early developer of in vitro fertilization techniques who gained national attention as the author of how to choose the sex of your baby and as a central figure in a. To conceive a girl, according to the shettles method, couples should avoid orgasm. If an xcarrying sperm fertilizes your egg first, youll have a girl.
Shettles was an american biologist who invented his method way back in the 1960s. The idea behind the shettles method of sex selection is based on the premise that the x and y chromosome carrying sperm have different characteristics and that under different circumstances either x or ychromosomecarrying sperm will be more likely to fertilize the egg. Using the chinese calendar to conceive a boy or a girl. This means you must learn to detect when you ovulate, and spend a few cycles practicing until you are not only able to determine when ovulation has occurred, but to predict when it is about to occur. Can having sex on the day you ovulate get you a boy. This is in line with dr shettles method, which prescribes the most effective natural method for gender selection by combining the womans cycle, sexual position and timed intercourse. Fertility planner ovulation calculator calendar know the. Landrum shettles, the shettles method attempts to stack the odds for having a boy or a girl. But, although the shettles method offers a 7090% chance of conceiving a baby of the preferred gender, it does not really take into account the individual factors, which so strongly influence whether a baby boy or a girl will be conceived. Know how to influence the gender of your child using shettles method with huggies. Conceiving a baby boy tips to increase your odds babyhopes. But had him wait for up to 3 days without sex before we had to have sex.
So this theory has not been scientifically proven to be effective, but its worth a try. There is plenty of scientific study, not conducted by shettles, that says that the shettles method does not work. Shettles method claims an 8090% success rate, and whelans approach has a claimed success rate of 65% when. The shettles method boasts a slightly higher success rate of 75 percent at conceiving the child of choice. Landrum shettles, who was an early ivf pioneer, the method is based on his observations of sperm behavior in the 1950s lab. There are a few things that make xx sperm and xy sperm different. The woman should try to have an orgasm during intercourse, ideally just before the mans. Shettles track record though the shettles method remains theory and is disputed by some, you should be aware that dr. Shettles, x sperm female sperm survive longer in the cervix, and they are also slower than y male sperm. The shettles method of sex selection is widely popularized lore on how to conceive a boy or girl. Hi, i have conceived my little girl by strictly following the shettles method.
Landrum shettles came up with a theory about x and y sperm. If a ychromosomecarrying sperm fertilizes the egg, the baby will be a boy. The idea behind the shettles method, developed in the 1960s, remains a popular conversation topic today among those who are trying to influence the gender of their baby. Shettles has recommended gender selection methods which he claims is upheld by scientific evidence. Ive heard there are ways to boost the chances of making a baby boy or girl. Further, acidic environments harm y sperm, according to. Shettles who developed this method believed that x and y sperm. The shettles method for choosing the sex of your baby. Hi there, i did the shuttles method and got my boy.
By landrum shettles how to choose the sex of your baby. Shettles, you can influence the reproductive environment to favor one or the other. How to have a boy how to conceive a girl what to expect. The shettles method is based entirely on the difference between male sperm and female sperm. Shettles reported that caffeine could be detrimental to female fertility. The shettles method is a child conception idea that is reputed to help determine a babys sex. According to shettles, timing sex as close to or even after ovulation is the key to sway for a boy. Okay, so i know that was like a lot of information to take in, so lets just do a quick recap. Are you currently trying to conceive a specific gender. The shettles method influencing gender with the shettle. The shettles method of sex selection the embryo project.
How to get male child using shettles method gender. Why the shettles method doesnt work if you are trying to conceive a girl or a boy. The logic behind this is that x or y chromosomes will be offered different advantages in. Shettles was a biologist, and in, in the 1960s, he discovered that ybearing, maleproducing sperm are smaller and faster than the xbearing variety, which are larger and live longer. The ychromosome sperm boys have been found to be smaller and faster than the female xchromosome sperm. According to the theory, male y sperm are faster but more fragile than female x sperm. His book, how to choose the sex of your baby, describes the characteristics of sperm carrying the x and y chromosomes that yield a girl or boy. These methods are not guaranteeing that you will have a boy.
This is because i already had a boy and i wanted a girl. Sperm are released before climax not as many as in climax. The shettles method recommends the missionary position when trying to conceive a girl. The method best supported by scientific evidence rev upd. The shettles method was introduced over 40 years ago by dr. How different gender conception calculators work lovetoknow. This anecdotal evidence is, however, not proof of the success of the shettles.
He was involved in early stage development of in vitro fertilisation. The shettles method is a theory that attempts to increase the odds of having a boy or girl by timing intercourse with a womens ovulation date, use of sexual positions, and depth of male penetration. Shettles method says that it is possible to sway your babys gender to the direction that you choose using the following principles. Landrum shettles and david rorvik cowrote the book how to choose the sex of your baby, it became a top seller. Marquez shares that the shettles method recommends having an orgasm before or at the same time as ones partner to have a boy. My neighbour told me about this method as she was also successful in conceiving a girl by following this method. Shettles method trying for a boy or girl bellybelly. Shettles, many women also try the gender diet, dietary supplements, and eating alkalizing foods. In talking to families, it is never hard to find women who claim that the shettles method worked for them. The shettles method is a really outdated theory that is over 50 years old. Choosing your babys sex with bbt charting fairhaven health.
If a sperm with a y chromosome fertilized the egg, the the embryo will develop into a boy xy. Its worth remembering that this was a time when contraceptive options were not as advanced as they are today and choices were very limited. Amos has delivered more than 5,000 babies, and supervised more than 20,000 deliveries. Shettles says sex close to ovulation for a boy and far away for a girl, but close to ovulation for a girl and far away for a boy is what the actual studies show the best known of these is often referenced online as the new zealand study. A practical guideline to selecting gender using a fertility chart to choose the sex of your baby see also part 1. Dr shettles looked under a microscope and noticed that sperm with small heads seemed to be moving faster, while sperm with fat heads seemed to be moving slower.
If you are trying for a boy or girl, the planner will also suggest some actions that may influence the sex of the child, based on the scientific research of dr landrum shettles and david m. The main theory behind this method of gender selection. Landrum shettles created the shettles method calculator for gender selection. Although id be more then happy to have a healthy baby. So now we understand the premises underlying the shettles method. Timing of intercourse okay, so for timing of intercourse, closer to ovulation boy. He later wrote a book called how to choose the sex of your baby where he published his finding. According to dr sneha wadhwani, the shettles method relies on the. To follow the dr shettles method you will need to know when you ovulate so fertility charting is necessary you can either do this by monitoring your fertility signals including your bbt, cervical mucus and cervical position or by using an ovulation kit. Shettles method suggests a position with deeper penetration e. A lot of couples would like to balance their family by a particular gender. There are basically two types of sperm, those that carry the x chromosomes and those with the y. The shettles method is a gender selection method that was discovered in 1960 by a biologist called dr landrum shettles. This will apparently place the male sperm closer to the egg, giving them a head start.
Shettles did not recommend artificially trying to lower sperm count by reversing the boy method, because it could result in lowering male fertility. Finally, be sure to read the shettles method for conceiving a girl so you know what not to do. Landrum shettles claimed a 75% to 90% success rate for his simple, athome method, which advises how. The whelan method the other commonly used method was created by dr whelan, and claims a 57 percent success rate for couples who wish to conceive a girl. Landrum shettles, who proposed the idea that there are key differences between male y sperm and female x sperm. Shettles method, advantages and disadvantages huggies. John rock of harvard were the first to fertilize human eggs in vitro, launching what is today a revolution in fertility research. When i was immediately intrigued when i came across the book how to choose the sex of your baby by landrum b. Funny, too, because thats exactly what happened for me. The shettles method is based on the premise that sperm carrying the x and y chromosomes have different characteristics and that under different circumstances either x or ychromosomecarrying sperm will be more likely to fertilize the egg. Shettles believed the caffeine would give both types of sperm a boost, but that ysperm would get a little more of a boost.