Why Do Natural Methods of Contraception Have High Failure Rates

question 38

Multiple Choice

Why do natural methods of contraception have high failure rates?

• A) Determining the time of ovulation is a complicated process which depends on many factors.
• B) The frequency of ovulation is increases and this leads to higher chances of conception.
• C) There are only a few days in a month when a couple can have sex without the risk of pregnancy.
• D) These methods increase the chances of contracting an STI.
• E) It completely stops ovulation and disrupts a woman's menstrual cycle.

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Definitions:

Interphase

The phase of the cell cycle where the cell prepares for division by replicating its DNA and increasing in size.

Chromosomes

Thread-like structures located within the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).

Cell Cycle

The series of phases that a cell goes through from one division to the next, including interphase and mitosis.

Henrietta Lacks

She was an African American woman whose cancer cells were the source of the HeLa cell line, the first immortalized human cell line and one of the most important in medical research.