Sonogram Pregnancy 12 weeks- Embarazo 12 semanas-

Enviado por "CONSULTORIO MÉDICO FLORES BUISSON" - MÁNCORA- PERÚ...
URL: http://consultoriomedicofloresmancora.es.tl/ ...

The gestational sac can be visualized as early as four and a half weeks of gestation and the yolk sac at about five weeks. The embryo can be observed and measured by about five and a half weeks. Ultrasound can also very importantly confirm the site of the pregnancy is within the cavity of the uterus.
Gestational age is usually determined by the date of the woman's last menstrual period, and assuming ovulation occurred on day fourteen of the menstrual cycle. Sometimes a woman may be uncertain of the date of her last menstrual period, or there may be reason to suspect ovulation occurred significantly earlier or later than the fourteenth day of her cycle. Ultrasound scans offer an alternative method of estimating gestational age. The most accurate measurement for dating is the crown-rump length of the fetus, which can be done between 7 and 13 weeks of gestation. After 13 weeks gestation, the fetal age may be estimated by the biparietal diameter (the diameter of the head) and the length of the femur (the longest bone in the body). Dating is more accurate when done earlier in the pregnancy; if a later scan gives a different estimate of gestational age, the estimated age is not normally changed but rather it is assumed the fetus is not growing at the expected rate.
Not useful for dating, the abdominal circumference of the fetus may also be measured. This gives an estimate of the weight and size of the fetus and is important when doing serial ultrasounds to monitor fetal growth.

Category:

Science & Technology

Tags:

• Baby
• afterbirth
• womb
• ultrasound
• Gestación
• Attachement
• pregnancy
• útero
• uterus
• Ultrasonido
• Birth
• Embarazo
• Pregnant
• Feto
• 胎児
• baby
• fetus
• GESTATION
• ultrasonography

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