ULTRASONOGRAPHY IN OBSERVATION

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ULTRASONOGRAPHY IN OBSERVATION
OF
FETAL DEVELOPMENT
AND
IN DETECTION OF FETAL ANOMALIES
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SONOEMBRYOGRAPHY

• IN VIVO GRAPHIC DEPICTION
• OF EMBRYONIC EVENTS
• FROM 6 TO 8 WEEKS

RHOMBONCEPHALON
Notochord spine
PRIMITIVE CIRCULATION
UPPER LOWER LIMB BUDS
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choroid plexus in lateral ventricles

• INTRACRANIAL CYST,
• CYSTIC HYGROMA,
• GASTROSCHIASIS.

9 10 weeks
upper limbs
Lower limbs
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CP
LV
Upper lower limbs
11 12 weeks

• ACRANIA,ANENCEPHALY,
• EXENCEPHALY,
• ENCEPHALOCELE,
• CHOROID PLEXUS CYST,
• CERV.MYELO-MENINGOCELE,
• OMPHALOCELE,
• ABSENT OR DEFORMED LIMB.

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• ANOMALY SCAN
• BEST TIME IS 20 TO 25 WEEKS OF GESTATION.

Circle of Willis.
Lips gums
ABORTED 20 WEEKS FETUS
Kidneys
spine
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POSTERIOR URETHRAL VALVE
AT 26 WEEKS
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THE ENTIRE FETUS WAS ENGULFED IN THICK
MULTICYSTIC HYGROMA. NO OTHER DEFECT WAS SEEN,BUT
TERMINATION OF PREGNANCY WAS SUGGESTED BECAUSE OF
HIGH POSSIBILITY OF CHROMOSOMAL DEFECTS.
AT 32 WEEKS
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MULTIPLE ANOMALIESDIAPHRAGMATIC
HERNIA,ASCITIS,LARGE SACRAL MENINGOCELE
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Features of a fetus with anencephaly and gross
cranio-spinal defects
Ghost appearance
Brain membranes
short neck deformed spine .
Large spina bifida with meningocele
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MULTIPLE SMALL CALCULI IN THE GALL BLADDER OF
FETUS OF 35 WEEKS
USUALLY OF NO CLINICAL SIGNIFICANCE AND MOSTLY
DISSOLVES BY ITSELF