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2. Human embryonic development - Wikipedia

   en.wikipedia.org/wiki/Human_embryonic_development

   The germinal stage refers to the time from fertilization through the development of the early embryo until implantation is completed in the uterus. The germinal stage takes around 10 days. [1] During this stage, the zygote divides in a process called cleavage. A blastocyst is then formed and implants in the uterus.

3. Timeline of human prenatal development - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_human_prenatal...

   Embryonic age: Week nr 1. 0 (whole) weeks old. 1–7 days from fertilization. Fertilization of the ovum to form a new human organism, the human zygote. (day 1 of fertilization [1]) The zygote undergoes mitotic cellular divisions, but does not increase in size. This mitosis is also known as cleavage. A hollow cavity forms marking the blastocyst ...

4. Human fertilization - Wikipedia

   en.wikipedia.org/wiki/Human_fertilization

   Human fertilization is the union of an egg and sperm, occurring primarily in the ampulla of the fallopian tube. [1] The result of this union leads to the production of a fertilized egg called a zygote, initiating embryonic development. Scientists discovered the dynamics of human fertilization in the 19th century. [2]

5. Prenatal development - Wikipedia

   en.wikipedia.org/wiki/Prenatal_development

   The term "conception" refers variably to either fertilization or to formation of the conceptus after its implantation in the uterus, and this terminology is controversial. The zygote will develop into a male if the egg is fertilized by a sperm that carries a Y chromosome, or a female if the sperm carries an X chromosome. [5]

6. Development of the human body - Wikipedia

   en.wikipedia.org/wiki/Development_of_the_human_body

   The germinal stage refers to the time from fertilization through the development of the early embryo until implantation is completed in the uterus. The germinal stage takes around 10 days. [2] During this stage, the zygote begins to divide, in a process called cleavage. A blastocyst is then formed and implanted in the uterus.

7. Gestation - Wikipedia

   en.wikipedia.org/wiki/Gestation

   Timeline of human fertilization. In humans, pregnancy can be defined clinically, biochemically or biologically. Clinically, pregnancy starts from first day of the mother's last period. [4] Biochemically, pregnancy starts when a woman's human chorionic gonadotropin (hCG) levels rise above 25 mIU/mL. [5]

8. FACT CHECK: No, Michelle Obama Using IVF To Give Birth ... - AOL

   www.aol.com/fact-check-no-michelle-obama...

   A post on Instagram implies that because former First Lady Michelle Obama used In vitro fertilization (IVF) to get pregnant, that means she is actually transgender. Verdict: False Michelle Obama ...

9. Human reproduction - Wikipedia

   en.wikipedia.org/wiki/Human_reproduction

   Human sexual reproduction, to produce offspring, begins with fertilization. Successful reproduction typically involves sexual intercourse between a healthy, sexually mature and fertile male and female. [1] During sexual intercourse, sperm cells are ejaculated into the vagina through the penis, resulting in fertilization of an ovum to form a ...