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2. Pregnancy - Wikipedia

   en.wikipedia.org/wiki/Pregnancy

   A pregnancy may end in a live birth, a miscarriage, an induced abortion, or a stillbirth. Childbirth typically occurs around 40 weeks from the start of the last menstrual period (LMP), a span known as the gestational age. [4] [5] This is just over nine months. Counting by fertilization age, the length is about 38 weeks.

3. List of mammalian gestation durations - Wikipedia

   en.wikipedia.org/wiki/List_of_mammalian...

   This is a collection of lists of mammal gestation period estimated by experts in their fields. The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs. A marsupial has a short gestation period, typically shorter than placental.

4. Estimated date of delivery - Wikipedia

   en.wikipedia.org/wiki/Estimated_date_of_delivery

   The rule estimates the expected date of delivery (EDD) by adding a year, subtracting three months, and adding seven days to the origin of gestational age. [13] [14] The result is approximately 280 days (40 weeks) from the start of the last menstrual period. Another method is by adding 9 months and 7 days to the first day of the last menstrual ...

5. Human embryonic development - Wikipedia

   en.wikipedia.org/wiki/Human_embryonic_development

   The normal period of gestation (pregnancy) is about nine months or 36 weeks. 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.

6. Pregnancy (mammals) - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_(mammals)

   The duration of this period varies between species. For most species, the amount a fetus grows before birth determines the length of the gestation period. Smaller species normally have a shorter gestation period than larger animals. [2] For example, a cat's gestation normally takes 58–65 days while an elephant's takes nearly 2 years (21 ...

7. This woman ran a 5:17 mile while 9 months pregnant ... - AOL

   www.aol.com/lifestyle/woman-ran-5-17-mile...

   Now nine months pregnant with her second baby, she's doing it again — and beating her time. This woman ran a 5:17 mile while 9 months pregnant: 'Don't be afraid to challenge reality' Skip to ...