You Know You Are Pregnant When is the essential baby shower gift for every expecting mother. The average pregnancy lasts 280 days, which is a long time when you factor in all the strange things that happen during human reproduction. This hysterical book is a collection of quotes from women and husbands from all over the country highlighting the often hilarious things that happen to you when you are growing a baby inside your body including hormonal and body changes, strange food cravings, uncomfortable sex, and having a foggy brain. It is a must read for anyone who has ever experienced pregnancy.