Summary
The development of a fetus in the uterus lasting about 40 weeks in humans.
In depth
Hormones: hCG (basis of pregnancy tests), progesterone and oestrogen. Changes: increased blood volume, uterine growth and altered metabolism. Complications include pre-eclampsia and gestational diabetes.
Pregnancy causes changes in cardiovascular, respiratory and metabolic function. Antenatal care monitors mother and baby. Folic acid and avoiding alcohol are advised.
Remember: the due date is estimated from the last period.
Frequently asked questions
What is Pregnancy?
The development of a fetus in the uterus lasting about 40 weeks in humans.
Which area of biology covers Pregnancy, and how advanced is it?
Pregnancy is one of the 54 topics in Reproduction & Endocrinology. It is rated Beginner, so it suits learners who are starting out in biology. Related topics in this area include Pregnancy Hormones, Menstrual Cycle, Hormones.
Can you give an example of Pregnancy?
Pregnancy lasts about 40 weeks from last menstrual period.
What should I learn before Pregnancy?
Pregnancy is a Beginner topic, so no earlier topic is required. Other Beginner topics in Reproduction & Endocrinology that pair well with it include Reproduction, Asexual Reproduction, Sexual Reproduction.
What topics are related to Pregnancy?
The closest topics to Pregnancy are Pregnancy Hormones, Menstrual Cycle, Hormones, Female Reproductive System. Comparing them side by side is a good way to see how the ideas connect.
How can I check that I understand Pregnancy?
Read the summary and the in-depth section, then use the quick check on the interactive lesson for Pregnancy. To practise the whole of Reproduction & Endocrinology, use the Reproduction & Endocrinology quiz.
How is Pregnancy different from Pregnancy Hormones?
Pregnancy: The development of a fetus in the uterus lasting about 40 weeks in humans. Pregnancy Hormones: hCG maintains the corpus luteum early on, then the placenta produces progesterone and oestrogen. Read both side by side and note what each one explains.
How should I study Pregnancy step by step?
First, read the summary and write the definition in your own words. Second, read the in-depth section and note any example. Third, compare it with Pregnancy Hormones and explain the difference aloud. Finally, take the Reproduction & Endocrinology quiz and come back to this page for any question you miss.