Question

the term for a developing pregnancy from fertilization to the end of week eight.
fetus
embryo
zygote
blastocyst
the most effective method of birth control and protection against stts is:
abstinence
condoms
birth control pill
depo provera shot

Explanation:

For the first question:

• A zygote is the initial cell formed after fertilization.
• A blastocyst is an early stage of embryonic development.
• An embryo is the developing pregnancy from fertilization to the end of week eight.
• A fetus is from week nine until birth.

For the second question:

• Condoms reduce but do not eliminate the risk of STIs and pregnancy.
• Birth control pills and Depo - Provera shots mainly prevent pregnancy and do not protect against STIs.
• Abstinence (not having sexual intercourse) is 100% effective in preventing pregnancy and STIs.

Answer:

1. Embryo
2. Abstinence