Why do men seek younger women? A comparison between the biological clock of the two genders🧵
Recently there has been an uproar of females demanding that we view men in the same lens as women when it comes to their biological clock in fertility and so forth. In this thread I will be highlighting the risks of postponing motherhood and if a father's age impacts a new born.
Note: Please DM Me for any type of references, I will message you them. (didn't want this thread to be too long)
Postponing Motherhood -
Despite these success stories, postponing motherhood is risky because fertility declines with age, The Centers for Disease Control and Prevention note, “[a]bout one-third of couples in which the woman is older than [thirty-five] years have fertility
problems. Aging not only decreases a woman’s chances of having a baby but also increases her chances of miscarriage.” Many do not actually realize just how early it declines until they attempt to conceive in their thirties or forties and fail.
The biological facts that drive age-related fertility decline are simple, By the time a girl reaches puberty, she has 300,000 to 400,000 eggs. Thenceforth, she will lose approximately 1,000 eggs per month for each ovulation.
Her supply of eggs, or ovarian reserve steadily diminishes as the years pass, until she reaches age thirty-seven and has, on average, only 25,000 eggs left. By the time she reaches fifty-one, the median age of menopause, she has only around 1,000 eggs left
Only two percent of clinical pregnancies in women under twenty-five involve trisomy, but thirty-five percent of such pregnancies in women older than forty do. What is trisomy? A trisomy is a chromosomal condition characterised by an additional chromosome.
For example, consider the well-known association between maternal age and Down syndrome. A flawed egg leads to the conception of an embryo that has three copies of chromosome, or trisomy. Most likely, the embryo will miscarry, if it survives, the child will have Down syndrome
In sum, as a woman ages, the quantity and quality of her eggs decrease, and the odds increase that she will be unable to conceive, suffer a miscarriage, or give birth to a child with chromosomal abnormalities.
But how early does fertility decline? A woman’s fertility begins to decline significantly when she is thirty-two years old and takes a sharp downward turn at age thirty-seven.
Now let's compare it to Men. (DM For the sources)
Brown published a study in 2013, found no link between a father’s age at conception and a child’s risk of bipolar disorder, studies also shows no link between babies IQ and paternal age. ( @OrRaed)
The only leg you have to stand on in this instance is that it can be argued that as men's age increases there is a higher risk of ED, however as we know sexual dysfunction has actually no impact on infertility and one can overcome it.
Sperm Concentration.
Semen characteristics as a function of age in 833 fertile men a study which was conducted by Schwartz D.
data report no change in sperm concentration up to age 50. Some have even suggested increases in sperm concentrations with age.
Seminal Volume.
Studies have shown no difference in volume with age.
(DM for references)
Birth Defects.
There is concern that the increased rate of DNA fragmentation previously discussed leads to an increase in foetal abnormalities. It is difficult to demonstrate the effects that DNA fragmentation and paternal age have on genetic disorders for several reasons
Genetic disorders are rare, which makes studying them difficult. Although more men are having children at later ages, the number of older fathers is still relatively small, further impeding studying these rare outcomes.
To end it all ''But it’s seems to me that her tweets and the replies were mainly driven by feelings and sexism, rather than science as clearly she was giving half of the truth and the data conclusion and aiming to shame those who have babies at an “old age” ( @OrRaed)''
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