Q 01/05

What is the median length of the human menstrual cycle?

A) 21 days

B) 24 days

C) 32 days

D) 28 days

Answer · why

D) 28 days

Normal cycles run anywhere from 21 to 35 days, and day one is counted as the first day of bleeding, not the last.

Q 02/05

In the United States, what is the average age at which a woman has her final menstrual period?

A) 44

B) 51

C) 47

D) 49

Answer · why

B) 51

The average is 46 in India and 47 in Turkey and Egypt, and smokers tend to reach it earlier.

Q 03/05

Roughly how long after the start of the last menstrual period does childbirth typically occur?

A) 40 weeks

B) 36 weeks

C) 38 weeks

D) 44 weeks

Answer · why

A) 40 weeks

That span is the gestational age, just over nine months, and it is divided into three trimesters of about three months each.

Q 04/05

Which country produced the first human born through in vitro fertilisation, in 1978?

A) United States

B) Australia

C) England

D) Sweden

Answer · why

C) England

Louise Brown was born at Oldham General Hospital by planned caesarean; Robert Edwards received the 2010 Nobel Prize in Medicine for the work.

Q 05/05

In which year did the US FDA first approve a combined oral contraceptive pill?

A) 1960

B) 1963

C) 1967

D) 1971

Answer · why

A) 1960

Enovid had already been sold for menstrual disorders before the contraceptive approval, and Margaret Sanger was instrumental in getting the pill devel...