I am trying to educate myself on female fertility because I don't want any more kids.
Every picture of an ovary and fallopian tube show them not connected. I don't get it, do the eggs explode out of the ovary and just roam around the abdomen hoping to get sucked up in the fallopian tube like a vacuum cleaner
What if I blow air into my wife's vagina? Will it blow out the ends of the fallopian tube? If a girl is on her period and stands on her head, will blood run out of the ends of the fallopian tube
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And from my $100 a month Claude Ai plan with extended thinking:
The ovary-fallopian tube gap
You're right that they're not directly connected. The egg doesn't exactly "explode" out, but it's not far off. During ovulation, the follicle ruptures and releases the egg onto the surface of the ovary. The end of the fallopian tube has finger-like projections called fimbria that sweep over the ovary's surface. They don't suck like a vacuum — it's more like the fimbria gently "catch" and guide the egg into the tube using tiny hair-like cilia that create a current.
It's a surprisingly imprecise system. Occasionally eggs do get lost in the abdominal cavity, where they simply dissolve harmlessly. This is also why ectopic pregnancies can (rarely) occur in strange places — a fertilized egg can implant outside the uterus.
Blowing air into the vagina
The air wouldn't travel out the fallopian tubes. The cervix (the narrow opening to the uterus) is mostly closed and filled with mucus, acting as a barrier. The pathway is not a free-flowing open tube.
That said: don't do this, especially if your wife is pregnant. Forceful air can, in rare cases, cause an air embolism (air entering the bloodstream), which is dangerous.
Period + standing on head
No, blood wouldn't flow out the tubes. Menstrual blood comes from the shedding uterine lining, and gravity isn't strong enough to push it backward through the tiny openings of the fallopian tubes. The system is designed to move things downward and outward.
That said, some menstrual blood does naturally flow backward through the tubes in most women (called retrograde menstruation) — it just gets absorbed by the body.
