Nervous!!

Bec • Hi. I`m 38, ttc #3.
Hi lovely ladies. My name is Bec, I'm 38years old. I am blessed with two boys aged just 6 and almost 8 and my husband and I are now ttc a third child.
​Its never been an easy ride for us, (although conception has always been very quick) I suffered two MC @ 11 & 12wks before my first son was born, then another & 14 wks between the birth of my first and second child. 
​After a VERY difficult pregnancy with my second son I have been too scared to try for another baby....despite years of wanting to, until now!!. I'm not getting any younger and at 52 neither is my husband.
 I know I will deeply regret not trying for our number three blessing, I am extremely fit and healthy after spending the last 12Months getting myself into tip top condition and we have decided to just go for it!!
​I am now just into my second cycle of ttc.
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​I had a retained placenta with my first child but other than that I had a wonderful healthy pregnancy. Unfortunately I had placenta prévia during my second pregnancy which resulted in three bleeds. One @ 24wks, another @ 27wks and subsequently him being delivered 8wks premature by ECS after a colossal bleed. ( thankfully he is a very healthy little boy and has suffered no lasting effects )
​I should also mention After several years of back problems dating back to my mid twenties my disc decided to give up on me at 12wks pregnant with my second little boy and I was unable to walk for several Months which resulted in me undergoing a general anaesthetic and a discectomy at 6 Months Pregnant.. (Now you may be seeing why my second pregnancy was anything but straight forward). I have since had another discectomy also but following careful exercise my back is at present the strongest it's ever been! 
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​I have discussed the risks of having a third baby at length with the consultant who dealt with me during my second pregnancy and he has said there is a 20% chance I could experience a low lying placenta again but was astonishingly positive and supportive of us trying for a third child
​( my husband and I were expecting him to say there was an 80% chance it would happen again and that it would be too risky )
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​So I am excited but understandably nervous to!.
​Equip with my job lot of e-bay early pregnancy tests and a whole heap of optimism I'm delighted to have found this forum where I can share my fears with you all and hopefully some joys to if I get my BFP
​I know this pregnancy ( if blessed ) will be a worrying time for me and I know I will be extremely nervous until I know the position of my placenta.. I hope I can find some buddies on here to keep me feeling positive and who can keep my spirits high..( which is exactly where I want my placenta to be!!!!!!!!!)
​Thanks for reading my story and I'd love to hear any comments you may have xxxx