The Duchess, 36, who has suffered severe morning sickness in her previous two pregnancies, is expecting her third child with her royal husband, 35.
The Sunday Times has reported that midwives at the private hospital where Middleton is expected to have the child in April are being trained in a new birthing technique called "hyponobirthing" to help her.
Midwives at St. Mary's Hospital in Paddington in London will reportedly be given two days of intensive training in hypnobirthing in February to prepare.
Hypnobirthing refers to various self-hypnosis, relaxation and breathing techniques.
Katharine Graves, founder of the Hypnobirthing Association, will train 22 midwives in the techniques and told the Times, "Midwives' knowledge is phenomenal, of course, but we look at things a little bit differently and midwives find it refreshing to realize birth is not all guidelines and protocols. Sometimes quite small things a midwife does can make a massive difference to that mother's experience.
"For example, if a kind . . . midwife says, 'Don't worry', the woman in labour hears 'worry'. She can start worrying, which causes tension, which means the muscles don't work as well, which causes pain. That is tiny but it could add hours onto labor."
The Imperial College Healthcare NHS Trust said, "The midwives will qualify as hypnobirthing practitioners, which will enable them to teach hypnobirthing to participating pregnant women on our wards."
Their expertise should help Middleton, who cancelled her appearance at an event because of her severe morning sickness called Hyperemesis Gravidarum in the early stages of her third pregnancy.
Last year, Prince William rushed to his wife's as she once again fought the devastating morning sickness that has impacted her previous two pregnancies.
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