Kate Middleton Pregnant, Carrying Baby twins, : People.com Prince William and Kate outside the house King Edward VII Medical center on Dec. 6Rupert Hartley/REX United states
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When King William and Kate's standard announcement that she is pregnant came Wednesday, the palace explained she was "expecting your baby."

But in gentle of the fact that the Duchess regarding Cambridge is also suffering from hyperemesis gravidarum, a type of acute morning sickness, there has been growing conjecture that she may, actually, be expecting twins.

In accordance with the National Institutes of Health, the Duchess's rare condition tends to appear more often in women holding twins.

So what would it not mean for the regal family if Kate, 40 C who was dismissed from the hospital Thursday night C were to provide two little queens, A pair of heirs,

Nope, royal experts notify PEOPLE. In fact, to make sure a bit complicated.

PHOTOS: Prince William & Kate Middleton's Having a baby Clues in 5 Ticks

The firstborn twin might have a completely different course than his or her sister, says royal historian John Lacey, author of The Full: A Life in Brief: "The initial child to appear could have precedence. Whichever one comes out first will be the heir C and it will are the call of the obstetrician if there is a caesarean section.In .

And the obstetrician will make that will delivery based on the place of the babies throughout labor, Mark Johnson, Professor of Obstetrics in Chelsea and Westminster Medical center, tells PEOPLE.

Affirms Johnson: "If delivering vaginally, the first baby to enter the pelvis will be delivered first. In the event that delivering by c-section it very much depends on the which baby is actually closest to the incision, generally that will be the lower of the two babies.Inch

A year ago, the United kingdom government voted to modernize the rule of succession so that in the case of twins, a firstborn woman would not lose your title of heir if the boy were to be eventually born to the noble couple. But that will rule hasn't been implemented yet,Moncler Outlet.

Under the current law of the property, says Lacey, "If the twins babies are a girl 1st followed by a child, the boy will be next in series."

When or maybe if the law is changed, brings Lacey, "the boy would be ousted by his sister,north face outlet online.Inch

If Kate is pregnant with twins, Bill, who will surely be there for the births, will be able to discover firsthand which baby is born first. In the past that wasn't the case, adds Lacey.

In other eras, "the Home Secretary was accessible in the hospital to make certain there was no strong play," claims Lacey, "since there were fears when the firstborn turned out to be a female, she might get inter-changeable for a substitute baby boy C and smuggled in to the bed in a heating pan."

Images: Prince William along with Kate's Lucky Little One: Lupo!