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I'm not entirely sure . . . but I'm learning about animal development now. Embryos are surrounded by a few extraembryonic membranes: the chorion (outermost), the amnion (holds the "water"), the allantois (part of umbilical cord) and the yolk sac (contains no yolk, but where blood cells form). Twins most commonly separate either before the chorion develops or after the chorion develops and before the amnion does (so the embryos each have their own amnion and "water"). If the latter is the case, it seems like it would be reasonable to assume that two amnions and thus two "waters" would have to break. But, again, I'm not 100 percent sure . . .
What else can I help you with?
Can you break the same bone twice?
Yes.
Can you actually break a bunion from a fall that has caused it to swell twice the usual size?
Yes, you can break a bunion from a fall that has caused it to swell twice its size.
What is having made twice as much?
doubled
Is having a period twice in a month a sign of pregnancy?
No it is the opposite. Not having one is.
How many oragasms can you have?
males can orgasm once or maybe twice a day, females up to 7 or more
What is the difference in incidence of depression in adult females and males?
Twice as many women as men suffer from depression.
What are the possible risk of having a measles twice?
Death
Is having your period twice a month then spotting a sign of pregnancy?
No. The norm is that when you are pregnant you have no period. See a doctor about your hormones, having your period twice in one month is not normal.
Who talks on the phone more males or females?
women. they generally talk more than twice as much as men
Can you break your lease if your apartment was broken into twice?
Not unless you can prove that there is A pattern of break ins that existed before you moved in, and you had no knowledge of it.
Does having your period twice in one month mean your pregnant?
no
What is the prevalence of polymyositis?
60% of cases appear between the ages of 30 and 60. Females are affected twice as often as males.
