4.6 Pregnancy

Question 1

Implantation

Answer 1

When cluster of cells attaches itself to the womb lining (baarmoederslijmvlies).
○ The fertilized egg cell divides several times.
○ The cluster of cells that this produces is carried down the Fallopian tube to the womb.
○ Womb lining will not become detached (losgemaakt) -> no menstruation.
○ Implantation of the embryo takes place 5 to 7 days after ovulation.
○ That cluster of cells grows to become a baby.

Question 2

Fertilization

Answer 2

When the nuclei of a male sex cell and a female sex cell fuse together.
○ Sperm cell head penetrates the egg cell.
§ Once it has entered the egg cell -> Outer layer of the egg cell becomes impenetrable.
Takes place in the Fallopian tube.

Question 3

Embryo

Answer 3

The child that develops in the womb for the first few weeks.
○ Womb lining provides nutrients.
○ After that the placenta forms.

Question 4

Placenta

Answer 4

A special part of the womb lining in which blood vessels of the embryo flows very close to the mother’ s blood.
○ Allows substances to exchange between the blood of the mother and the blood of the embryo.
○ Mother’ s blood remains separated from the embryo’s blood by thin membranes.

Question 5

Umbillical cord

Answer 5

Cord that connects the embryo to the placenta.
○ Oxygen/nutrients cross the blood of the embryo.
○ Waste products cross from the blood of the embryo back to mother’ s blood.

Question 6

Foetus

Answer 6

The baby’s name after the eighth week of pregnancy.

Question 7

Amniotic sacs and the amniotic fluid

Answer 7

Sacs and fluid that protects the baby against knocks, dehydration and temperature changes and makes it easy to move.

Question 8

Ultrasound scan

Answer 8

(10 weeks)
Scan with sound waves which are used to make a picture of the foetus in the womb and to determine when the woman became pregnant and when the baby will be born.

Question 9

Anomaly scan

Answer 9

(20 week)
Scan the foetus is examined to check for various congenital abnormalities of the heart, brain, organs and limbs, the sex can also be determined.

Question 10

Non-medical prenetal scan

Answer 10

A scan to see the foetus in 3D or in 4D (video).

Question 11

Prenetal testing

Answer 11

Test to see whether the mother has a relatively high risk of a baby with a congenital abnormality or hereditary disease.
○ Sex can also be determined.
Not compulsory (verplicht)

Question 12

Combined test

Answer 12

(9-14 week)
Test that shows whether there is a risk of a baby with Down’s syndrome.
○ Blood test from the mother and nuchal (neck) fold measurement of the foetus.
○ Ultrasound scan is used for the nuchal fold measurement.

Question 13

NIPT

Answer 13

(non-invasive prenatal test) (11 week) (2017)
Test that shows if there is an increased risk of a baby with a hereditary disease.
○ Only if you take part in scientific research.
○ Blood sample from the mother is tested.
○ Blood sample contains DNA from the placenta. Almost the same as the baby’s DNA.