Question

Why is there a range of weeks where women are able to find out they are pregnant?

(1 point)
Responses

Because every woman’s cycle varies in length, the time when pregnancy is noticeable is different for different women.
Because every woman’s cycle varies in length, the time when pregnancy is noticeable is different for different women.

Because zygotes grow at different rates and emit different levels of hormones.
Because zygotes grow at different rates and emit different levels of hormones.

Because hormones that regulate pregnancy and birth are very specific to individuals and some women do not secrete them.
Because hormones that regulate pregnancy and birth are very specific to individuals and some women do not secrete them.

Because mothers with breech babies will often not realize they are pregnant until later.

Answer 1

The correct response is:

**Because every woman’s cycle varies in length, the time when pregnancy is noticeable is different for different women.**

This is the most accurate explanation, as variations in menstrual cycle length can affect when a woman ovulates and subsequently when she might take a pregnancy test and receive a positive result.