If a Woman Has a Somewhat Irregular Menstrual Cycle, Why

question 43

Multiple Choice

If a woman has a somewhat irregular menstrual cycle, why is she ill-advised to use the rhythm method?

• A) It is impossible to calculate when ovulation occurs and therefore impossible to determine which days are "safe."
• B) She may end up having intercourse at the beginning of menstruation, thereby increasing the likelihood of conception.
• C) Worrying about the possibility of pregnancy will prevent both the woman and her partner from being sexually satisfied.
• D) An irregular menstrual cycle indicates problems with fertility, and these should be evaluated before any method of contraception is used.

---

Definitions:

Morphogen

Any chemical agent thought to govern the processes of cell differentiation and pattern formation that lead to morphogenesis.

Maternal Effect Genes

Genes whose expression in the mother's egg controls the phenotype of the offspring, regardless of the offspring's own genotype.

Metastatic Tumors

Tumors that have spread from their original location to other parts of the body, typically leading to more severe health complications.

Neoplasms

Neoplasms are abnormal masses of tissue that result from excessive, uncoordinated growth of cells and can be benign or malignant (cancerous).