The south Indian newspaper Mangalam has cave in some “ scientific ” tips for if you desire to conceive a son , as reported byBBC News .
An Native American feminist blogThe Ladies Fingertranslated the six “ male child - bear crest ” from Malayali to English , over with sarcastic commentary on the side . Top tips included the man eat more piquant food , not skipping breakfast , eat more calories , eating mutton , slumber with your grimace to the left or westwards , and only get sex on the 1st , 3rd , 5th , and 7th day of the week because sperm is “ scientifically ” stronger on these days .
Male offspring is a big outlet in percentage of south India , still holding braggart societal kudos despite initiative taken by governments and NGOs . Not only does this still conduce to a eminent amount of sexuality - selective miscarriage , it has also been blamed for favouritism in education , family spirit , and use .
On top of that , that ’s a hefty mint of unscientific thinking .
Due to the preponderance of male - dominated societies throughout chronicle , there ’s been a host of off the wall , unscientific theories of how to conceive a male child . 18th - one C French anatomist Procope - Couteau even suggest it could be done by cutting off the remaining testicle . That theory is n’t respected any longer ( unsurprisingly ) but other ideas from former wives ’ tales and superstitious notion have stuck around .
In reality , conceptualize a girlfriend or a boy is all to do with the X or Y chromosomes . Men have an X and a Y chromosome , while women have two Xs . Men produce two types of spermatozoan , one behave the X chromosome and one the Y chromosome . When they combine with the womanhood ’s egg , which contains only Adam chromosomes , it can either conceive a boy or miss , XY or XX .
That ’s consider to be a random process . Nevertheless , there are some scientific studies that have tried to explicate how gender determination in populationscanpotentially be swayed .
The eating breakfast claim from the Indian newspaper seems to come from a study a few years ago that saidmothers who eat cerealsare more likely to have a boy . It make for a good newspaper headline , but the study was more subtle , regain that nutrients in cereal favored the natural selection of former male embryos .
In a similar vein , astudy from 2014found that arise temperature in Japan were create a universe that had a higher proportion of missy being assume . This was not so much to do with conception , but they find that manful foetus were more vulnerable to external emphasis , such as the climb up temperatures .
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That tell , it ’s not always that uncomplicated . Some scientific studies have suggested that certain factors can sway sex determination , although they are nothing you’re able to examine at house .
A 2008 study in the journalEvolutionary Biologysuggested that more boys are conceived during time of war and societal strife . It ’s often anecdotally noted that more boy are bear following state of war , known as the “ returning soldier upshot ” . The researchers indicate that a cistron only active in men can work the proportionality of their sperm cell hold the X or Y chromosomes . It could be that the focus of state of war stimulate this gene to be expressed , leading to more Y - chromosome sperm cell to be produced .
There ’s also the foreign relationship between billionaires and boys . A bailiwick published inPLOS One from 2009found billionaire have sons over 60 percent of the fourth dimension , which is importantly high than the general universe .
Realistically , if you are looking to conceive without IVF treatment , there ’s little to no way you may regulate the sexuality of a child . It seems that ’s what nature think . As"Fisher ’s principle"explains , the 1:1 sex proportion between male and female person discover in most population can be excuse through natural selection .
