Heavily pregnant Sonari toils under the burning sun in fields dotted with bright yellow melons in Jacobabad, which last month became the hottest city on Earth.
Her 17-year-old neighbour Waderi, who gave birth a few weeks ago, is back working in temperatures that can exceed 50 Celsius (122 Fahrenheit), with her newborn lying on a blanket in the shade nearby so she can feed him when he cries.
"When the heat is coming and we're pregnant, we feel stressed," said Sonari, who is in her mid-20s.
These women in southern Pakistan and millions like them around the world are at the searing edge of climate change.
Pregnant women exposed to heat for prolonged periods of time have a higher risk of suffering complications, an analysis of 70 studies conducted since the mid-1990s on the issue found.
Farmer Waderi, 17, fans her one-month-old son Amar Kumar during a heatwave. AP
For every 1 degree Celsius in temperature rise, the number of stillbirths and premature deliveries increases by about 5%, according to the meta-analysis Global Consortium on Climate and Health Education at Columbia University, which was carried out by several research institutions globally and published in the British Medical Journal in September 2020.
Women are especially vulnerable to rising temperatures in poor countries on the frontlines of climate change because many have little choice but to work through their pregnancies and soon after giving birth, according to interviews with more than a dozen female residents in the Jacobabad area as well as half a dozen development and human rights experts.
Further adding to the risks, women typically cook the family meals over hot stoves or open fires, often in cramped rooms with no ventilation or cooling.
Men sleep on charpoy rope beds, early in the morning during a heatwave. AP
"If you're inside cooking next to a hot open fire you have that burden of that heat in addition to the ambient heat which makes things that much more dangerous," Sorensen added.
EXTREME HUMID HEAT EVENTS
South Asia has suffered unseasonably hot temperatures in recent months. An extreme heatwave that scorched Pakistan and India in April was 30 times more likely to happen due to climate change, according to scientists at World Weather Attribution, an international research collaboration. Global temperatures have risen by about 1.2 degrees Celsius above pre-industrial levels.
Jacobabad's roughly 200,000 residents are well aware of their reputation as one of the world's hottest cities.
"If we go to hell, we'll take a blanket," is a common joke told in the area.
One boy bathes while another draws water from a hand pump. AP
Few places are more punishing. Last month, temperatures hit 51 Celsius (124 Fahrenheit) on May 14, which local meteorological officials was highly unusual for that time of year. Tropical rains can also conspire with warm winds from the Arabian Sea to drive up humidity later in the year.
The more humid it is, the harder it is for people to cool down via sweating. Such conditions are measured by "wet bulb temperatures," taken by a thermometer wrapped in a wet cloth. Wet bulb temperatures of 35C or higher are considered the limit to human survival.
Jacobabad has crossed that threshold at least twice since 2010, according to regional weather data. And, globally, such "extreme humid heat events" have more than doubled in frequency in the last four decades, according to a May 2020 study in the journal Science.
Sonari, who is in her 20s, and Waderi work alongside about a dozen other women, several of them pregnant, in the melon fields about 10 km from Jacobabad's centre.
They begin work each day at 6 a.m. with a short afternoon break for housework and cooking before returning to the field to work until sundown. They describe leg pains, fainting episodes and discomfort while breastfeeding.
Rubina, 35, prepares food for her family during a heatwave. AP
"It feels like no one sees them, no one cares about them," aid worker Liza Khan said more broadly about the plight facing many women in Jacobabad and the wider Sindh region which straddles the border of Pakistan and India.
THE FRONTLINES OF SUFFERING
The harsh conditions facing many women were brought into tragic focus on May 14, the day temperatures in Jacobabad hit 51 C, making it the world's hottest city at that time.
Nazia, a young mother of five, was preparing lunch for her visiting cousins. But with no air conditioning or fan in her kitchen, she collapsed and was taken to a nearby hospital, where she was pronounced dead from a suspected heat stroke
District health officials did not answer requests for comment about Jacobabad's record of heat-related deaths in recent years, or more specifically about Nazia's case.
Her body was taken the following day to her ancestral village to be buried and her children, the youngest a one-year old who was still breastfeeding, regularly cry for their mother, a relative said.
Women and children wash themselves after work at a muskmelon farm. AP
Widespread poverty and frequent power cuts mean many people can't afford or use air conditioning or at times even a fan to cool down.
NO WATER, NO POWER, WE PRAY
In a residential neighbourhood of the city, a donkey-drawn cart stacked with blue plastic jerrycans stops near the entrance to warren-like lanes leading to a cluster of homes. The cart's driver runs back and forth delivering 20-litre containers of water from one of a few dozen private pumps around the city.
Most residents of Jacobabad rely on such water deliveries, which can cost between a fifth and an eighth of a household's meagre income. Still, it's often not enough, and some families are forced to ration.
For young mother Razia, the sound of her six-month-old Tamanna crying in the afternoon heat was enough to persuade her to pour some of her precious water over the baby. She then sat Tamanna in front of a fan, and the child was visibly calmer, playing with her mother's scarf.
Local officials said water shortages were partly due to electricity cuts, which mean water cannot be filtered and sent via pipes throughout the city. There are also severe water shortages across Sindh, with climate change minister Rehman flagging shortfalls of up to 60% of what is needed in the province's key dams and canals.
Associated Press