Reproduction Humaine
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Questions and Answers

La grossesse se compose de trois ______.

trimestres

La ______ se produit lorsqu'une cellule spermatique fusionne avec une cellule ovulaire.

fécondation

Le ______ commence à se diviser rapidement après la fécondation.

zygote

Les techniques de procréation médicalement assistée (PMA) comprennent la ______, le prélèvement d'ovocytes, la fécondation, la culture embryonnaire et le transfert d'embryons.

<p>stimulation ovarienne contrôlée</p> Signup and view all the answers

L'______ consiste à placer le sperme directement dans l'utérus pendant l'ovulation.

<p>insémination intra-utérine</p> Signup and view all the answers

Le ______ devient finalement une partie du gros intestin chez les femmes.

<p>sac vitellin</p> Signup and view all the answers

Le système reproducteur féminin se compose de deux ______, de trompes de Fallope et d'un utérus.

<p>ovaires</p> Signup and view all the answers

La différence principale entre les hommes et les femmes réside dans la présence du ______ chez les femmes.

<p>sac vitellin</p> Signup and view all the answers

Le ______ se produit dans les 5 jours suivant la fécondation.

<p>implantation</p> Signup and view all the answers

La ______ consiste à fertiliser un embryon en laboratoire et à le transférer dans l'utérus.

<p>fécondation in vitro</p> Signup and view all the answers

Study Notes

Human Reproduction

Pregnancy Stages

Pregnancy consists of three trimesters, each lasting approximately 13 weeks. The first trimester begins with implantation and continues until week 12, while the second trimester extends from week 13 to week 26. The final 12 weeks constitute the third trimester, ending at 40 weeks post-conception, which represents the estimated due date.

Fertilization Process

Fertilization occurs when a sperm cell fuses with an egg cell, creating a zygote containing 46 chromosomes. The zygote begins to divide rapidly, eventually becoming a blastocyst that implants into the uterine wall within 5 days of fertilization.

Reproductive Technologies

Assisted reproductive technologies (ART) involve various stages, including controlled ovarian stimulation, oocyte retrieval, fertilization, embryo culture, and embryo transfer. Examples of ART techniques include intrauterine insemination (IUI), in vitro fertilization (IVF), and surrogacy. While IUI involves placing sperm directly into the uterus during ovulation, IVF entails fertilizing an embryo in a lab and transferring it back into the uterus.

Female Reproductive System

Women's reproductive systems consist of two ovaries, fallopian tubes, and a uterus. The primary difference between males and females lies in the presence of the yolk sac in females, which eventually becomes part of the large intestine.

Male Reproductive System

Men have two testes, epididymides, vas deferens, prostate gland, and seminal vesicles. Sperm are produced in the testes and stored in the epididymides. Upon ejaculation, sperm mix with fluids from the prostate and seminal vesicles to create semen.

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Description

Explorez les étapes de la grossesse, le processus de fécondation, les technologies de reproduction assistée et les systèmes reproducteurs féminin et masculin. Apprenez-en davantage sur les trimestres de la grossesse, la fusion des cellules reproductrices, les différentes techniques de procréation médicalement assistée, et les organes reproducteurs chez les femmes et les hommes.

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