Nature is designed to favour the conception of boys from September to November and girls from March to May because of an evolutionary mechanism aimed at keeping the overall sex ratio as near to 50:50 as possible, the scientists said.
According to Shettles, timing sex as close to or even after ovulation is the key to sway for a boy. Shettles explains that couples trying for a boy should avoid sex in the time between your menstrual period and days before ovulation. Instead, you should have sex on the very day of ovulation and up to 2 to 3 days after.
#3: The best time to conceive a baby boy after periods
Because male sperm is the faster of the two, Shettles suggests having intercourse as close to ovulation as possible, so the male y sperm can reach the egg first. If you have sex several days before the day of ovulation, the less resilient male sperm may die off.
On the other hand, having sex from 2 days before ovulation, through a few days after ovulation, is better for conceiving a boy. Around the 2-day point, 48 hours before ovulation, seems to be the 50/50 mark. (2) The pH of the women's tract is also very important.
Speed: since sperm containing the Y chromosome are faster than those containing the X chromosome, if the egg is in the fallopian tube at the time of intercourse, there is a greater probability of a Y sperm reaching and fertilising it, which means there is a greater probability of the baby being a boy.
The key to conceiving a boy is to do “the deed” close to your ovulation. As Dr Shettles points out, male-producing sperm (Y-chromosome) move faster than female sperm. Male sperm also dies pretty fast, while female-producing sperm (X-chromosome) can stick it out and take their time hooking up with the egg.
Effective sexual positions
Male sperm are less tough than female sperm, which is why it is best to consider having “doggie style” sex or any position that involves deep penetration. This means that sperm will be deposited closer to the cervix, giving the more aggressive and quicker moving male sperm a head start.
There is no sure-fire guarantee of having a baby of a particular gender. Hoping and trying for a boy or girl is just that, and does not influence the odds in either direction. One testicle does not produce girl sperm and the other boy sperm.
Talk to them.
Babies love the sound of people talking. You can talk about anything! Tell them your life story, read them a book, or describe what is happening around you. The sound of your voice is very soothing to the baby.
Note: The only way to choose your baby's gender, would be to go for in vitro fertilisation (IVF), where the egg is fertilised with the man's sperm in a laboratory. Doctors are able to check the gender of the embryos before re-implanting them in the mother.
The proportion of male babies was significantly higher (65.5 +/- 3.9 per cent, mean +/- S.D.) in the offspring of women who resumed intercourse two days after ovulation. This proportion tended to be lower on or near the day of ovulation than on the previous one or two days.
Sperm can live up to 5 days inside your body, so if you have sex up to 5 days before your egg is released, you can get pregnant. After ovulation, though, your egg can only live for 12 to 24 hours.
Best positions: deep penetrative sex is preferable. This helps to deposit the semen and sperm closest to the woman's cervix so they are given the best opportunity to get to the egg in the fallopian tube. Twelve hours before ovulation is thought to maximise the chances of conceiving with a boy.
If you're wondering what time of day to have sex to conceive, the morning may be your best bet. Or, specifically, after your partner gets a good night's rest, says Melissa M. Goist, M.D., Assistant Professor of Obstetrics and Gynecology at The Ohio State University Medical Center.
Almost everyone has around a 50% chance of having a boy and a 50% chance of having a girl. What we can say is that dad's sperm determines whether a baby will be born as a boy or a girl. About half of his sperm will make a boy and half a girl. The sex of the baby depends on which sperm gets to the egg first.
We might expect that naturally an equal number of boys and girls are born, but this is not the case. There are biological reasons why more boys than girls are born each year: around 105 boys per 100 girls. But in countries with a strong son preference, the sex ratio is even more skewed.
The baking soda gender test is an at-home method that involves combining a pregnant woman's urine with baking soda to see if it fizzes. Whether or not the urine fizzes is supposed to determine whether the baby is male or female.
Effective sexual positions
Male sperm are less tough than female sperm, which is why it is best to consider having “doggie style” sex or any position that involves deep penetration. This means that sperm will be deposited closer to the cervix, giving the more aggressive and quicker moving male sperm a head start.
For healthy semen samples collected between 5:00am and 7:30am were found to exhibit a statistically higher sperm concentration, total sperm count and a higher percentage of normally shaped sperm, compared to samples produced later in the day.
Fertility treatment
Some fertility drugs work by stimulating a woman's ovaries, which can sometimes cause them to release more than one egg. If sperm fertilizes both of these eggs, this can result in twins. In vitro fertilization (IVF) can also increase the chance of conceiving twins.