Well, that’s one way to do it! Prince William has disclosed that Kate Middleton has been trying a whole host of old-fashioned remedies in order to beat her morning sickness — including eating ginger cookies! William discussed his pregnant wife’s health while chatting with 98-year-old Iris Orrell during a recent royal outing.

Orrell asked William how Kate was doing telling the prince that she too had suffered badly with morning sickness throughout her three pregnancies. Moving on to the subject of ginger as a supposed miracle cure, William explained that they’d tried that with little success. “But there’s not much ginger can do to stop that. We’ve done all that,” the 35-year-old said.

Ginger is a well-known natural stomach settler and is used by many women during pregnancy to keep morning sickness at bay. However, for Kate, 35 — who suffers from a particularly severe type of morning sickness known as Hyperemesis Gravidarum — ginger clearly isn’t enough.

Affecting three percent of moms-to-be, Hyperemesis Gravidarum is the most extreme type of morning sickness and involves not just nausea and vomiting but also weight loss and dehydration. Kate has suffered from the condition for both of her previous pregnancies and when she was pregnant with Prince George she was hospitalized as a result.

kate middleton, prince william, and prince harry getty images

(Photo Credit: Getty Images)

Since her pregnancy was announced at the beginning of September, Kate has withdrawn from public engagements. She was last seen when she visited Princess Diana’s memorial gardens at Kensington Palace to mark 20 years since her death. However, she will be taking a break from bed rest for World Mental Health Day on Tuesday, Oct. 10 when she will attend a reception at Buckingham Palace with William and Prince Harry.

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This originally appeared on our sister site, Grazia Daily.