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Ultrasound Growth Plotting


Pytanie

I am in contact with a mom who is pregnant with her first child following the birth of her child with CdLS. She is quite nervous about possible outcomes. A recent ultrasound, performed at 20 weeks, 5 days noted all limbs present and intact but that fetus was measuring as one week early (19 weeks, and 5 days). Doctor told her not to worry but she obviously is concerned. Her next ultrasound is in 4 weeks. Should any steps be taken before then?

Odpowiedź naszych ekspertów

Usually these measurements are assessed relative to earlier ultrasound measurements or to the last menstrual period. Earlier use measurements are the most helpful and accurate. LMP (last menstrual period) dating is often very inaccurate. It is unlikely that a growth abnormality could be detected this early in CdLS; growth problems usually do not become apparent before 25 weeks. So, the obstetrician is probably right...this is unlikely to be significant. He should, however, be sure the cerebral ventricles, upper limbs, face, hands, and feet are normal.

MK/ TK 7-13-10

Response: PAPP-A has also been recommended during the first trimester as a screening maternal blood test.

TK 7-13-10

Zatwierdzone przezClinical Advisory Board (CAB)
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Znajdź inne strony, które mają ten sam temat co ta strona diagnosis of CdLS prenatally (before birth)1 diagnosis of CdLS prenatally (before birth)3

Zalecenie(a)

diagnosis of CdLS prenatally (before birth)

R7
Jeśli prenatalne badanie ultrasonograficzne (USG) wykryje cechy sugerujące CdLS, należy omówić z rodzicami możliwość przeprowadzenia prenatalnych badań genetycznych.
R8
Jeśli konkretną mutację genetyczną odpowiedzialną za wystąpienie CdLS wykryto już u poprzedniego dziecka lub w poprzedniej ciąży, należy omówić z rodzicami prenatalne badania genetyczne mające zastosowanie w diagnostyce prenatalnej CdLS. Ukierunkowane badania mogą być przeprowadzone z wykorzystaniem DNA pochodzącego z łożyska lub płynu owodniowego.

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Please take note that the Ask the Expert service is comprised of volunteer professionals in various areas of focus. Answers are not considered a medical, behavioral, or educational consultation. Ask the Expert is not a substitute for the care and attention your child’s personal physician, psychologist, educational consultant, or social worker can deliver.

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