Accuracy sonogram dating lavender dating

Posted by / 01-Jul-2019 10:03

Accuracy sonogram dating

Measurable changes To answer that question, Berghella looked at five studies in which researchers used ultrasounds to measure cervical length of a total of 735 pregnant women.He found that among the women whose cervix was more than 1.18 inches (3 cm) long at the time it was measured, less than 50 percent of these women delivered within a week.Those whose due date has come and gone may wonder whether they should have labor induced with drugs.And pregnant women who already have other children often scramble to find child care during labor.But there haven't been reliable methods to tell a woman exactly when her baby is coming.Cervical checks, in which a doctor manually feels the length and softness of the cervix with his or her fingers, are typically not very reliable, Berghella said.Sometimes, women have a medical condition that necessitates delivering their baby soon, but not necessarily immediately.

Guessing game, waiting game Though most women are given an official due date, it is often just a rough estimate.However, transvaginal ultrasounds reveal the shape of the entire cervix, allowing doctors to see if the process has started, Berghella said.Better medical planning Estimating due dates more closely could help doctors make medical decisions.That baby is due in a week — you feel as big as the Death Star, you have to pee 7 million times a night and you just want that baby out!But should you keep going to work as usual, or fumble through the car seat installation instructions and get that birth bag ready?

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