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Leonardo studied human embryology with the help of anatomist Marcantonio della Torre and saw the fetus within a cadaver. [2] The first study, measuring 30.5×22 cm, shows the fetus in a breech position inside a dissected uterus.
Photos of what pregnancy tissue from early abortions at 5 to 9 weeks actually looks like have gone viral.. The images, which were originally shared by MYA Network — a network of physicians who ...
The first natural sensation of quickening may feel like a light tapping or fluttering. These sensations eventually become stronger and more regular as the pregnancy progresses. Sometimes, the first movements are mis-attributed to gas or hunger pangs. [3] A woman's uterine muscles, rather than her abdominal muscles, are first to sense fetal ...
During pregnancy the plasma volume increases by 40-50% and the red blood cell volume increases only by 20–30%. [22] These changes occur mostly in the second trimester and prior to 32 weeks gestation. [24] Due to dilution, the net result is a decrease in hematocrit or hemoglobin, which are measures of red blood cell concentration.
Transvaginal scans usually provide clearer pictures during early pregnancy and in obese women. Also used is Doppler sonography which detects the heartbeat of the fetus. Doppler sonography can be used to evaluate the pulsations in the fetal heart and bloods vessels for signs of abnormalities. [5]
[18] [19] It manifests as pain, numbness, and tingling in the thumb, index finger, middle finger and the thumb side of the ring finger. [20] The symptoms of carpal tunnel syndrome during pregnancy are usually mild and do not require treatment. However, if necessary, wrist splinting at night is the initial treatment that is recommended. [19]
In pregnancy, the vulva and vagina take on a bluish coloring due to venous congestion. This appears between the eighth and twelfth week and continues to darken as the pregnancy continues. [39] Estrogen is produced in large quantities during pregnancy and this causes the vulva to become enlarged. The vaginal opening and the vagina are also ...
The reproductive system is immature at birth and develops at puberty to be able to release matured ova from the ovaries, facilitate their fertilization, and create a protective environment for the developing fetus during pregnancy. The female reproductive tract is made of several connected internal sex organs—the vagina, uterus, and fallopian ...