By definition, the etiology of primary osteoarthritis is unknown, but the pathology and pathogenesis of osteoarthritis have been extensively studied. [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] Historically, osteoarthritis has been divided into primary and secondary forms, although this division is somewhat artificial.
What's your relationship to the couple? - While the average gift ranges from $50 to $100 for those under 30, expect to spend $100 or more if you're close friends with the couple and are more established financially. For your nearest and dearest friends and relatives, gift costs can range from over a $100 to $200 or more.
Spend: 20% of your total on the engagement present20% of your total on the shower gift60% of your total on the wedding gift That means if youâre spending $250 total, youâd spend $50 each on the engagement and shower, and $150 on the wedding present.rides-to-be and expecting parents can also expect to be showered with gifts. Again, how much to spend depends on how close you are to the person. The consensus on Baby Center suggests: $20-$25 for a co-worker or acquaintance, $50 for a close friend, or $100 for a best friend or family member.