Pregnancy Fetus facts

While investigating facts about Pregnancy Fetus Stages and Pregnancy Fetus Size, I found out little known, but curios details like:

If a pregnant mother suffers organ damage during the pregnancy the fetus can send stem cells to help repair the damage

how to increase fetus weight during pregnancy?

Down syndrome is practically non-existent in Iceland. Since introducing the screening tests back in the early 2000s, nearly 100% of women whose fetus tested positive ended up terminating the pregnancy. It has resulted in Iceland having one of the lowest rates of Down syndrome in the world.

At what point in the pregnancy is the fetus’ brain fully developed?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering at what point in pregnancy is an embryo referred to as a fetus. Here are 18 of the best facts about Pregnancy Fetus Development and Pregnancy Fetus Week By Week I managed to collect.

what is fetus in pregnancy?

1. During pregnancy, the fetus can send stem cells across the placenta to which can repair damage to organs and tissues in cases of injury in the mother.

2. During pregnancy, cells from the fetus cross the placenta and enter the mother's body, where they can become part of her tissues. This can create what biologists call a microchimera.

3. Fetuses are most likely unconscious throughout the entire pregnancy.

4. A "Lithopedion" or "stone baby", is a phenomenon which occurs when a fetus dies during an abdominal pregnancy. The baby is too large to be reabsorbed by the body and then calcifies as part of a foreign body reaction. On average women with lithopedia carry them for 22 years before discovery.

5. Women get constipated in pregnancy because hormones are released to slow digestion in order for more nutrients to be absorbed and used by the developing fetus

6. It is estimated than 8-10% of pregnant women experience hypertension, which can be from pre-existing hypertension, hypertension caused by the pregnancy, or pre-eclampsia which increases the risk of death of both mother and fetus.

7. During the later stages of pregnancy, alpha female hyenas start pumping testosterone into the fetuses which cause the clitoris and birth canal to enlarge and causing it resemble a penis

8. There has been one recorded case of a mother who naturally conceived 12 fetuses in a single pregnancy. The highest multiple birth number to survive infancy to this day is 8.

9. Because X-rays can be dangerous to a developing fetus, pregnant women are not supposed to have X-rays. Exposure during pregnancy can lead to birth defects and childhood leukemia.

10. A 92-year-old woman once delivered a 60-year-old fetus. It was due to a rare condition, where a fetus dies during an abdominal pregnancy, is too large to be reabsorbed by the body, so it calcifies to shield the mother's body from the dead tissue of the fetus.

Explain why smoking during pregnancy is harmful to the fetus?

You can easily fact check why fetus in pregnancy by examining the linked well-known sources.

A medical condition, known as Fetus Papyraceous, happens during a multiple pregnancy where one fetus dies and rather than being re-absorbed or expelled from the uterus, is flattened like a piece of paper between the membranes of living fetus and uterine wall.

When nonpregnant people are asked if they would terminate their pregnancy if their fetus tested positive for Down Syndrome, 23–33% said yes, and when pregnant women who screened positive are asked, 89–97% say yes. - source

Selective reduction is the practice of aborting one or more fetuses in a multifetal pregnancy, and can be done for both medical and non-medical reasons. - source

23–33% of nonpregnant women claim they would terminate a Down syndrome fetus; when high-risk pregnant women were asked, 46–86% said yes, and when women who screened positive are asked, 89–97% say yes. In reality, 92% of positive pregnancies in Europe are terminated.

A fetus inhales the amniotic fluid it is surrounded by while in the uterus during pregnancy. - source

The period of pregnancy when the fetus is carried in the uterus is called?

during pregnancy, in case of injury, the fetus can send stem cells across the placenta to repair damage to organs, tissues, etc.