Boys are able to get a girl pregnant when they begin to produce sperm in their semen. This generally begins when they start puberty, which can be from ages 11 to 14. Until puberty begins, males are unable to get a female pregnant.
Although most men are able to have children well into their 50s and beyond, it becomes gradually more difficult after the age of 40 . There are many reasons for this, including: Sperm quality tends to decrease with age.
Raghav became the world's oldest father at age 94 when his first child was born in 2010. He broke his own record in 2012 when at the age of 96 he had another son. Julio Iglesias Sr. Ecclestone is the former head of Formula One motor racing; he previously had children in 1955, 1984, and 1988.
9 years old
This father and mother are the youngest biological parents in terms of combined age on record. They were farmers, with the surname Hsi, from Amoy, Fukien, and went on to marry and have four children.
Maria del Carmen Bousada de Lara is the oldest verified mother; she was aged 66 years 358 days when she gave birth to twins; she was 130 days older than Adriana Iliescu, who gave birth in 2005 to a baby girl. In both cases the children were conceived through IVF with donor eggs.
25-year-old Rifca Stanesca became the youngest grandmother in the world 2 years ago, according to The Sun. When she was 12 years old she gave birth to her daughter, Maria after running off to marry her husband, Ionel Stanescu at the age of 11. Maria was born a year after their marriage.
Valentina Vassilyev and her husband Feodor Vassilyev are alleged to hold the record for the most children a couple has produced. She gave birth to a total of 69 children – sixteen pairs of twins, seven sets of triplets and four sets of quadruplets – between 1725 and 1765, a total of 27 births.
There's no maximum age that stops a man from being able to have a baby. You can become a father long into your older years, but there are risks.
According to the Guiness Book of Records the oldest man to father a baby was Les Colley who in 1998 had his ninth child, a boy named Oswald, at the age of 92 years and 10 months.
Men, on the other hand, constantly produce new sperm and some men past the age of 80 occasionally father children. That fuels the myth that men remain fertile all of their lives and can parent children as long as they can perform sexually.
"[It's been] shown sperm counts do decline with age." But he says healthy men shouldn't worry about a decline to zero. "Men never stop producing sperm," he says.
Guys start producing spermatozoa (or sperm, for short) at the onset of puberty. Puberty starts at different times for different people. Boys usually start puberty when they're around 10 or 12 years old, though some start a little sooner and others a little later.