maternity
A nurse takes care of a newborn baby at the neonatal ward of the Pyongyang Maternity Hospital during a visit by foreign reporters on a government organised tour in Pyongyang, North Korea, May 7, 2016. REUTERS/Damir Sagolj

A senior citizen has given birth to a healthy pair of twins in Spain. The 64-year-old woman in the city of Burgos became pregnant with the help of fertility treatment she got in the U.S., the BBC reported Thursday. It was not immediately clear when the birth of the twins took place.

The woman, who was not immediately identified, was not a first-time mother, but she had given birth to another child relatively recently. She had a daughter in 2012, but the girl was taken into custody by welfare officials because of several issues including "bad personal hygiene."

The custodial fate of the new twins was unclear.

While the woman in Spain was of an advanced age, she was far from the oldest woman to give birth.

A list of some of the other women to have children later in life follows below.

An Indian woman gave birth to her first child at the age of 70, CBS News reported. Daljinder Kaur had two years of fertility treatment before having her son in April of last year. "I feel blessed to be able to hold my own baby. I had lost hope of becoming a mother ever," Kaur said at the time.

Maria del Carmen Bousada Lara has been recognized in the Guinness Book of World Records for being the oldest woman to have a baby. Lara had twins in Spain and was 66 years old at the time of birth in January of 1940.

A German grandmother had quadruplets in 2015 at the age of 65. That made Annegret Raunigk the oldest woman ever to have quadruplets, CNN reported.

Despite all of the above extraordinary examples of older women giving birth, there is one unconfirmed report that makes them all look like spring chickens. An Italian woman had a baby at the age of 101 following what the World News Daily report called an "illegal and controversial" ovary transplant.

"For so long I have felt useless to God, I could not procreate since I turned 48 years old when I was diagnosed with ovarian cancer," Anatolia Vertadella reportedly said. "For a long time I believed God was punishing me for only bearing 16 children, but in his godly generosity, he has granted me with fertility once again."