Case Study 5*
25-year-old woman stated that it had been six weeks since her last menses. Her
pregnancy test was positive. By the sixth month of pregnancy, she felt
irregular contractions of the uterus but no complications were present. After
nine months, a healthy, 7 lb., 3 oz girl was delivered with no complications.
Breast feeding was planned.
the hormonal controls of the male reproductive cycle with the hormonal
controls of the female reproductive cycle. How are they the same? How are they different?
- What hormonal component is the basis
of pregnancy tests?
the positive pregnancy test, what hormonal mechanism prevented spontaneous
abortion of the implanted embryo?
- What prevented the uterus from
initiating labor before the designated delivery time?
- Describe the positive feedback
systems that occur during labor and delivery.
- What maintains milk production after
- Is it possible to get pregnant
during the time of breast feeding? Explain your answer.
from Case Histories in Human Physiology, 3rd edition, Donna Van
Wynsberghe and Gregory M. Cooley, McGrawHill Publ. 2001