50 free Female Anatomy trivia questions with answers — science & nature quiz, new questions added Aug 2026.
This female anatomy trivia quiz covers the female body the way a good biology course would: the reproductive organs and how they work, the hormones that run the cycle, and the physical differences that show up in bones, blood and skin. It starts with the basics, such as the shape of the uterus, the layers of its wall, how many eggs a woman is born with, and what day one of the cycle actually is. From there it moves into ovulation, the corpus luteum, the three estrogens, progesterone, menopause and hot flashes. There are questions on the breast and lactation (prolactin versus oxytocin, colostrum, Cooper's ligaments), the pelvis and why it differs from a man's, the cervix in labour, the vaginal microbiome, the placenta and hCG, Barr bodies, and the anatomists whose names stuck: Falloppio, de Graaf, Bartholin, Skene. It is written for nursing and biology students, quiz nights and anyone curious about how the body works, in plain clinical language. Every answer has been checked against Wikipedia's medical articles, and each explanation adds one further fact worth remembering.
30 of 50 questions with answers and explanations. Play the quiz
Q 01The human uterus is usually described as being shaped like which fruit?
A pear
It measures roughly 7.6 cm long, 4.5 cm wide and 3 cm thick when not pregnant, then expands enormously to hold a full-term baby.
Q 02What is the inner lining of the uterus, shed during a period, called?
Endometrium
The three layers from inside out are endometrium, myometrium and perimetrium; the middle one is mostly smooth muscle and does the work in labour.
Q 03The thick muscular wall of the uterus that contracts during childbirth is called what?
The myometrium
Its innermost part, the junctional zone, thickens in the condition adenomyosis; the outer serous coat is the perimetrium.
Q 04Roughly how many oocytes (immature eggs) are present in the ovaries at birth?
About 1 million
Only around 500 of them will ever be ovulated; the rest quietly degenerate over a lifetime.
Q 05Approximately how many mature eggs will a woman release over her whole reproductive life?
400 to 500
The pool falls from a peak of several million before birth to about 300,000 at puberty; everything else undergoes atresia.
Q 06The fallopian tubes are named after Gabriele Falloppio, a 16th-century anatomist who was also what?
A Catholic priest
He called the organ 'tuba uteri' because it looked like a trumpet, and described it in his 1561 Observationes Anatomicae.
Q 07Fertilization normally happens in which part of the fallopian tube?
The ampulla
It is the widest section, about 5 cm long; the finger-like fimbriae at the far end sweep the egg in from the ovary.
Q 08What are the finger-like projections at the end of each fallopian tube called?
Fimbriae
The egg is actually released into the abdominal cavity first; beating cilia on the fimbriae draw it into the tube.
Q 09Which surgical term describes removing a fallopian tube together with at least one ovary?
Salpingo-oophorectomy
'Salpinx' is Greek for trumpet, the same image Falloppio used; a hysterectomy removes the uterus itself.
Q 10What is the median length of the human menstrual cycle?
28 days
Anything from 21 to 35 days is considered normal, and the average happens to be close to the lunar month.
Q 11Which day is counted as day one of the menstrual cycle?
The first day of bleeding
The period itself lasts about five days; a first period, or menarche, arrives at around age twelve.
Q 12What is the medical term for a girl's first period?
Menarche
The most common age is twelve, and in the first two years afterward about half of cycles happen without ovulation at all.
Q 13A surge in which pituitary secretion triggers ovulation?
Luteinizing hormone
Rising estrogen from the maturing follicle feeds back on the pituitary to produce the LH surge, along with a smaller spike in FSH.
Q 21What is the average age of a woman's final menstrual period in the United States?
51
Bone-density loss runs fastest from about a year before that last period through the two years after it.
Q 22A typical menopausal hot flash lasts how long?
30 seconds to 10 minutes
They can bring shivering, night sweats and reddened skin; cognitive behavioural therapy and hypnosis have both been shown to blunt their impact.
Q 23Which bone is the most sexually dimorphic in the human skeleton, and so most reliable for determining sex from remains?
The pelvis
The female pelvis is wider, shallower and more circular, an evolutionary compromise between walking efficiently and giving birth known as the 'obstetrical dilemma'.
Q 14After ovulation, the follicle's remains form a temporary progesterone gland called what?
Corpus luteum
The name means 'yellow body', from its carotenoid pigment; if no pregnancy follows it shrivels into the white scar called the corpus albicans.
Q 15The temporary gland left after ovulation gets its yellow colour from which pigments?
Carotenoids such as lutein
The same pigment colours the macula lutea of the retina, which is why both structures share the Latin word for yellow.
Q 16Mature ovarian follicles are also called Graafian follicles, after which 17th-century Dutch anatomist?
Regnier de Graaf
Working mostly on rabbits, he wrongly assumed fertilization happened inside the ovary, but his 1672 description of the follicles stuck.
Q 17Which estrogen becomes the predominant form circulating during pregnancy?
Estriol
Estradiol dominates in the reproductive years; the three major natural estrogens are estradiol, estriol and a third that takes over after menopause.
Q 18Which estrogen becomes the predominant form in a woman's body after menopause?
Estrone
It is far weaker than estradiol, roughly a tenth as potent in laboratory tests, which is part of why menopausal symptoms appear.
Q 19Which chemist first isolated pure crystalline progesterone in 1934?
Adolf Butenandt
Allen had discovered the hormone's action in 1929; Butenandt's Danzig lab did the purification and later shared a Nobel Prize for sex-hormone work.
Q 20Menopause is officially dated retroactively, once how long has passed since the last period?
12 months
It typically arrives between 45 and 55; the average age of the last period in the US is 51, in India 46.
Q 24What is the wider female equivalent of the male subpubic angle called?
The pubic arch
In 1939 Caldwell and colleagues classified female pelves into four types and found the round 'gynaecoid' shape in about half of specimens.
Q 25Which pelvic shape, considered ideal for childbirth, did Caldwell find in about half of women?
Gynaecoid
The study labelled every non-gynaecoid shape 'abnormal', a word that stuck even though at least half of women have one.
Q 26Compared with men, women have roughly what difference in red blood cell count?
About 10 percent lower
Men's higher haemoglobin means more oxygen-carrying capacity; women, on the other hand, carry a higher percentage of body fat, guided by estrogen at puberty.
Q 27What is usually the first physical sign of puberty in girls, at about age ten and a half?
A firm breast bud under the areola
This is Tanner stage 2 of breast development; reproductive maturity follows about four years after the first changes.
Q 28What is the medical term for the onset of breast development at puberty?
Thelarche
In the two years after it, the uterus, ovaries and follicles all grow; menarche follows later.
Q 29Which two tissue types make up most of the breast?
Adipose and glandular
Connective tissue and the suspensory Cooper's ligaments hold it together; some women have a higher glandular proportion than others.
Q 30The suspensory bands that support the breast are named after which English surgeon?
Cooper
They are named for the English surgeon Astley Cooper; sensation to the nipple-areola area comes from the fourth thoracic nerve.