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where do female eggs come from ?

Here are some links that might be useful to you:

https://www.naturalcycles.com/cyclematters/5-facts-about-the-female-egg-cell

https://www.naturalcycles.com/cyclematters/5-facts-about-the-female-egg-cell
5 Female egg cell facts: How many eggs does a woman have? – Natural Cycles
12 avr. 2024Apr 11, 2024. 12 min read. Key takeaways: Females have six to seven million eggs when they’re a fetus at 20 weeks gestation. Females are born with between one and two million eggs. The number decreases until a person stops ovulating and reaches menopause, at which point fewer than 1,000 remain.

https://my.clevelandclinic.org/health/articles/9118-female-reproductive-system

https://my.clevelandclinic.org/health/articles/9118-female-reproductive-system
Female Reproductive System: Structure & Function – Cleveland Clinic
28 nov. 2022In humans, female and male reproductive systems work together to reproduce. There are two kinds of sex cells — sperm and eggs. When a sperm meets an egg, it can fertilize it and create a zygote. This zygote eventually becomes a fetus. Both a sperm and an egg are needed for human reproduction.

https://en.wikipedia.org / wiki / Egg_cell

https://en.wikipedia.org / wiki / Egg_cell
Egg cell – Wikipedia
The egg cell or ovum ( pl.: ova) is the female reproductive cell, or gamete, [1] in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is not capable of movement (non- motile ). If the male gamete ( sperm) is capable of movement, the type …

https://my.clevelandclinic.org/health/body/22999-ovaries

https://my.clevelandclinic.org/health/body/22999-ovaries
Ovaries: Anatomy, Function, Hormones & Conditions – Cleveland Clinic
13 mai 2022Your ovaries play a critical role in both menstruation and conception. They produce eggs for fertilization and they make the hormones estrogen and progesterone. An ovary releases an egg around the middle of your menstrual cycle (around day 14 of a 28-day cycle) in a process called ovulation. Each of your ovaries has thousands of ovarian follicles.

https://www.khanacademy.org/science/health-and-medicine/human-anatomy-and-physiology/reproductive-system-introduction/v/basics-of-egg-development

https://www.khanacademy.org/science/health-and-medicine/human-anatomy-and-physiology/reproductive-system-introduction/v/basics-of-egg-development
Basics of egg development (video) | Khan Academy
The female reproductive cycle involves the maturation of eggs within the ovaries, a process initiated during gestation and activated at puberty. This cycle includes oogenesis, ovulation, and the secretion of female sex hormones. The video also explains the stages of egg development, from oogonia to primary oocytes, secondary oocytes, and …

https://kidshealth.org/en/parents/female-reproductive-system.html

https://kidshealth.org/en/parents/female-reproductive-system.html
Female Reproductive System (for Parents) | Nemours KidsHealth
Print. The female reproductive system is made up of the parts that are inside and outside the body that help a female make a baby. Both the female and male reproductive system are needed for this. The female reproductive system also lets the body menstruate (have periods) and grow into a sexually mature by making sex hormones.

https://extendfertility.com/ovulation-101

https://extendfertility.com/ovulation-101
How ovulation works | Ovulation 101 – Extend Fertility
The Queen Egg continues to grow in preparation for her release around day 14. Each month, only one ovary develops a Queen Egg. (Typically, that is. The presence of multiple Queen Eggs could mean the release of both during ovulation—resulting in the possibility of a fraternal twin pregnancy if both are fertilized!) But which ovary develops the …

https://theconversation.com/why-womens-eggs-run-out-and-what-can-be-done-about-it-57660

https://theconversation.com/why-womens-eggs-run-out-and-what-can-be-done-about-it-57660
Why women’s eggs run out and what can be done about it – The Conversation
It can be 30-45% in women under 38 and to decline to less than 10% after 42 years of age. Egg freezing can be performed to preserve a number of mature eggs for later use. This involves a process …

https://flo.health/menstrual-cycle/health/ovulation/how-many-eggs-does-a-woman-have

https://flo.health/menstrual-cycle/health/ovulation/how-many-eggs-does-a-woman-have
How many eggs does a woman have? – Flo
9 juin 2022The takeaway. Incredibly, we are born with all the eggs we’ll ever have — and that’s a lot, somewhere between 2 to 3 million eggs. On average, women do have fewer eggs available for fertilization after the age of 35 — and the number of eggs declines year on year from this point until you reach menopause.

https://www.britannica.com/science/oogenesis

https://www.britannica.com/science/oogenesis
Oogenesis | Egg Development, Maturation & Fertilization
oogenesis, in the human female reproductive system, growth process in which the primary egg cell (or ovum) becomes a mature ovum.In any one human generation, the egg’s development starts before the female that carries it is even born; 8 to 20 weeks after the fetus has started to grow, cells that are to become mature ova have been multiplying, and by the time that the is born, all of …
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