Fact 1: Sperm had to swim from male to female reproductive organs for fertilization.

Fact 2: If fertilized, the egg implants itself in the uterus.

Given the two facts above, answer the question "Sperm had to swim from male to female reproductive organs to be what?" with the following options: 
- produce offspring
 - ejaculated during reproduction
 - implanted and swabbed
 - allow growth
 - mate with females
 - implanted in the uterus
 - implanted in the cheek
 - more abundant


 

      implanted in the uterus   