Why more twins are being born than ever before – even though birthrates are falling
Globally, mothers are having fewer children. Yet despite this latest observed decline in birth rates, the number of twins and ...
来自MSN1 天
Seeing double? Here's the fascinating truth about identical twins
Find out everything you've always wanted to know about identical twins – from how they form to what makes them unique.
来自MSN2 天
Do identical twins have the same DNA?
It makes sense that identical twins would have the exact same DNA, right? Spoiler alert: Not always! Here's why. Identical ...
phillyvoice.com3 天
Giving birth to twins increases heart disease risk during postpartum period, study warns
Most maternal deaths occur within the first year after giving birth, and cardiomyopathy – a form of cardiovascular disease – ...
Digital Journal25 天
Twin and triplet births are on the decline. Here's how it breaks down by state.
Its 2021 guidance document states that most patients with a favorable prognosis should implant no more than one embryo at a time. New parents across the country find themselves caring for twins ...
webtv.un.org5 个月
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Conjoined fetuses are a rare type of identical twins that share a placenta and an amniotic sac, when the embryo divides at 13-15 days from conception. The incidence ranges from 1/50,000-1/100,000 ...
Ärzteblatt4 年
Dichorionic-Diamniotic Twin Pregnancy after Elective Single-Embryo Transfer of a Blastocyst
Most monozygotic twins arise by the division of an embryo; there are then two fetuses in separate sacs, with a shared placenta. The present case illustrates a rare event in human beings that is ...