Yahoo: Does No Gestational Sac on the Ultrasound Mean I'm Not Pregnant? Add Yahoo as a preferred source to see more of our stories on Google. An ultrasound might not show a gestational sac if it's too early in the pregnancy.

Context Explanation

If no sac is seen and you suspect a miscarriage ... What Is a Yolk Sac? A yolk sac is a small pouch made from thin membranes. The yolk sac is one of the first things to develop during pregnancy and one of the first things your healthcare provider will ...

Insight Material

The uterus is a hollow, pear-shaped organ in the female reproductive system. It’s essential for menstruation, fertility and pregnancy. The uterus is a hormone -responsive sex organ that contains glands in its lining that secrete uterine milk for embryonic nourishment. (The term uterus is also applied to analogous structures in some non-mammalian animals.) Uterus, an inverted pear-shaped muscular organ of the female reproductive system, located between the bladder and the rectum. It functions to nourish and house a fertilized egg until the fetus, or offspring, is ready to be delivered.

Final Conclusion

The uterus is a thick-walled muscular organ capable of expansion to accommodate a growing fetus. It is connected distally to the vagina, and laterally to the uterine tubes. Uterus has four sections. The portion of the uterus superior to the opening of the uterine tubes is called the fundus. The middle section of the uterus is called the body of the uterus (or corpus). The cervix is the narrow inferior portion of the uterus that projects into the vagina.