• Monday, Jan 18, 2021
  • Last Update : 02:48 am

Singapore studies Covid-19 pregnancy puzzle after baby born with antibodies

  • Published at 05:05 pm November 30th, 2020
new born child baby
File photo: A father holds the foot of his newborn baby at the New York Downtown Hospital, in New York Reuters

The ongoing study adds to international efforts to better understand whether the infection or antibodies can be transferred during pregnancy

Doctors are studying the impact of Covid-19 on pregnant women and their unborn babies in Singapore, where an infant delivered by an infected mother earlier this month had antibodies against the Covid-19 but did not carry the disease.

The ongoing study among the city-state's public hospitals adds to international efforts to better understand whether the infection or antibodies can be transferred during pregnancy, and if the latter offers an effective shield against the Covid-19.

The World Health Organization (WHO) says while some pregnant women have an increased risk of developing severe Covid-19, it is not yet known whether an infected pregnant woman can pass the Covid-19 to her foetus or baby during pregnancy or delivery.

A Singaporean woman, infected with the Covid-19 in March when she was pregnant, told local newspaper the Straits Times that doctors said her infant son had antibodies against the Covid-19 but was born without the infection.

"It is still unknown whether the presence of these antibodies in a newborn baby confers a degree of protection against Covid-19 infection, much less the duration of protection," said Tan Hak Koon, chairman of the Obstetrics and Gynaecology division at KK Women's and Children's Hospital.


Also read: Report: Singaporean gives birth to baby with Covid-19 antibodies


KK is one of the hospitals involved in the study of infected pregnant women in Singapore, details of which surfaced after the case of the baby born with antibodies was made public.

The National University Hospital, another hospital involved, said the study looks at the effects of Covid-19 on pregnant women, their foetus and outcomes after delivery.

Doctors in China reported the detection and decline over time of Covid-19 antibodies in babies born to women with the Covid-19 disease, according to an article published in October in the journal Emerging Infectious Diseases.

While there is evidence that transmission during pregnancy is rare, a small study in Italy suggested that it is possible, according to research published in the Nature journal in October.

Other studies have shown Covid-19 antibodies can be passed to a child via breastfeeding, while KK's Tan said there was evidence they could pass during pregnancy through the placenta to the baby.

Paul Tambyah, one of city-state's leading disease experts, said it was encouraging that antibodies were present in the Singapore baby months after the mother's infection, adding to broader evidence that they offer some protection from the virus.

"Worldwide there have been millions of people infected, including probably thousands of pregnant women, with very few reports of infections in very young babies. This suggests that there might be some protection from maternal antibodies and breast feeding," said Tambyah, President of the Asia Pacific Society of Clinical Microbiology and Infection.

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