Which cervical changes are observed during pregnancy?
1. The cervical tip becomes soft.
2. The fragility of cervical tissues decreases.
3. The volume of cervical muscles increases.
4. The external cervical os appears as a jagged slit.
5. The elasticity of cervical collagen-rich connective tissue increases.

Explanation:

During pregnancy:

The cervical tip becomes soft.

Pregnancy is the time period during which a zygote develops into a fully developed offspring within the mother's womb.

During pregnancy, several hormonal and physical changes are place within an woman.

A significant change is seen in the pelvic region , cervix is the region between the uterus  and the vagina. Generally it is firm. But during pregnancy , just after fertilization, the cervix becomes soft and high above the vagina.

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a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

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