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How long is the vaginal canal
阴道管有多长
The uterus is located in the pelvis, measuring about 7.5 centimeters long and 5 centimeters wide, positioned behind the bladder and in front of the rectum.
子宫位于骨盆腔内，长约 7.5 cm，宽约 5 cm，在膀胱后面，直肠前面。
The vaginal canal, about 8 to 10 centimeters long, connects the outer structures to the uterus, playing a key role in reproduction and highlighting the female body's design.
阴道管长约 8-10 cm，连接外部结构和子宫，在生殖过程中发挥着关键作用，是女性身体的显著特征。
（图源：太帅图库）
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Menstrual cycle & Ovulation
月经周期与排卵
Each month, an egg is released from the ovary. The uterine lining thickens to prepare for implantation.
卵巢每个月都释放 1 个卵子。子宫内膜增厚，为胎儿着床做准备。
If fertilization doesn't occur, the lining is shed, resulting in menstruation.
如果未受精，内膜脱落，导致行经。
This incredible cycle of hormone fluctuations and tissue changes underlies women's reproductive capacity.
这种令人难以置信的周期性激素波动和组织变化是女性生殖能力的基础。
（图源：太帅图库）
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Journey to Birth
出生过程
The fully developed fetus is protected by the amniotic membrane.
发育完全的胎儿受羊膜保护。
The placenta, weighing about 500 grams, provides oxygen and nutrients while removing waste through the umbilical cord.
胎盘重约 500g，为胎儿提供氧气和营养物质，同时通过脐带清除废物。
In the last week, the fetus typically weighs between 2500 and 4500 grams, highlighting its remarkable growth.
在最后 1 周，胎儿的体重通常重约 2500-4500g，这说明它的生长非常显著。
（图源：太帅图库）
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