2WW: Two week wait (the time between ovulation and waiting for a period or a positive pregnancy test). Also known as Torture.
Amenorrhoea: no menstrual periods
BFN: Big fat negative (negative pregnancy test)
BFP: better than a BFN!
CD: cycle day
CM: Cervical mucus
DPO: days post ovulation
FS: Fertility specialist
H: My patient and optimistic husband
PCOS: Polycystic Ovarian Syndrome
SA: Semen analysis
TTC: Trying to conceive
US: Ultrasound. An US with contrast is like an HSG but with US rather than x-rays.