rate; ratio; proportion; percentage
to come down; to go down; to hang; to dangle; to move back; to step back; to deteriorate
now (while the time is ripe); while one still can
altitude; height; elevation; high-degree; high-grade; advanced
speciality; specialty; subject of study; expert; area of expertise
to begin to attend (e.g. school)
bachelorhood; single; unmarried; celibate
sex; sexual intercourse; (one's) sex; gender
to print (on); to insert (an illustration); to stencil (a pattern); to instill (a thought, impression, etc.); to imprint (e.g. on one's subconscious)
contraceptive method or measures
physiology; menstruation; one's period; menses
safe day (when unprotected sex is less likely to lead to conception)
et cetera; etc.; and the like; and so forth
health; healthy; sound; fit
implantation (of an embryo)
not necessarily so; is not always true
etc.; et cetera; and so on
pill; birth-control pill; oral contraceptive; the pill
using together (jointly); used at the same time
nervous; highly strung; sensitive; fussy; worried about petty things
being afraid of; being fearful; being timid; trembling; shivering
happiness; blessedness; luck; luckily; fortunately
place where one works; construction site; working area
infertility; sterility; barrenness
in vitro fertilization; in vitro fertilisation; IVF
something like ...; something called ...
hormone drug; hormone pill; hormone preparation; hormonal agent
needle; pin; hook; stinger; thorn; hand (e.g. clock, etc.); pointer
to stab; to stick; to pierce; to thrust
to suck (or draw) out; to aspirate
surgery; operation; procedure; skill with one's hands; sleight of hand
by all rights; properly speaking; legally speaking