Period of pregnancy is called :

Options

A. Gestation period
B. Incubation period
C. Pre-patent period
D. Blastulation

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks for the term that describes the period of pregnancy.

2. **Identifying the Options**: The options provided are:
- Option 1: Gestation period
- Option 2: Incubation period
- Option 3: Pre-patent period
- Option 4: Blastulation

3. **Analyzing Option 1 - Gestation Period**:
- The gestation period refers to the time during which a mother carries her developing embryo or fetus inside her womb. This is the correct term for the period of pregnancy in viviparous animals (those that give birth to live young).

4. **Analyzing Option 2 - Incubation Period**:
- The incubation period is the time between exposure to a pathogenic organism and the onset of symptoms. This term is not related to pregnancy, making this option incorrect.

5. **Analyzing Option 3 - Pre-patent Period**:
- The pre-patent period is the time from infection by a parasite until it can be detected. This term is also unrelated to pregnancy, so this option is incorrect.

6. **Analyzing Option 4 - Blastulation**:
- Blastulation is a developmental process that leads to the formation of a blastula, which is an early stage of embryonic development. This term does not refer to the period of pregnancy, making it incorrect.

7. **Conclusion**: After analyzing all the options, the correct answer to the question "Period of pregnancy is called:" is **Gestation period**.

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