38 1 2 weeks by dating
Common causes include maternal bleeding, complications of abortion, high blood pressure of pregnancy, maternal sepsis, and obstructed labor.Gravidity is a term used to describe the number of times that a female has been pregnant.The number of pregnancies in women ages 15 to 44 is 133 per 1,000 women.In 2013, complications of pregnancy resulted in 293,000 deaths, down from 377,000 deaths in 1990.At 28 weeks, more than 90% of babies can survive outside of the uterus if provided with high-quality medical care.The third trimester is from 29 weeks through 40 weeks.It can be measured from the cervix to the fundus, AP diameter, and width.
Technique First trimester scanning can be performed using either an abdominal approach or a vaginal approach.
Laursen et al studied monozygotic and dizygotic twins and their subsequent development of prolonged pregnancies.
They found that maternal but not paternal genetic factors influenced the rate of postterm pregnancies and accounted for the etiology in as many as 30% of these pregnancies.
Pregnancy is typically divided into three trimesters.
The first trimester is from week one through 12 and includes conception. The fertilized egg then travels down the fallopian tube and attaches to the inside of the uterus, where it begins to form the embryo and placenta. Around the middle of the second trimester, movement of the fetus may be felt.
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Place a small amount of ultrasonic coupling gel on the tip of the transvaginal transducer. After lubricating the vaginal opening, gently insert the transducer into the vagina.