Pregnancy glossary H - Head circumference to Hypoxia

Head circumference

Measurement around the head of the developing fetus.


High-risk pregnancy

High-risk pregnancies, due to complication with either the mother or developing fetus, require more frequent prenatal checkups and may necessitate additional monitoring, testing and treatment.


Hormones

Chemical substances that are produced by the endocrine glands and that have specific regulatory effects on the activity of certain organs. Some hormones related to pregnancy include progesterone and estrogen.


Hypoxia

An insufficient oxygen supply to the fetus.


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This article was written by Claire Halliday for Kidspot New Zealand.



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