For each case of reduced fertility A–E, select the most appropriate option from the following list of aspects of the male and female reproductive systems.
3. Transport in the uterine tube.
4. Transport in the vas deferens.
5. Erection of the penis.
A. A couple’s infertility is attributed to medication with a drug which interferes with relaxation of vascular smooth muscle in the reproductive system.
B. Contraception is provided by a combination of oestrogen and progesterone given for 21 consecutive days in each month.
C. Contraception is provided by an intrauterine device.
D. A couple’s infertility is attributed to the man’s wearing a tight-fitting garment which holds the testes close to the trunk.
E. Infertility is attributed to surgery which has damaged sympathetic nerves in the pelvis.