Pls how long does implantation last

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please inform us what type of implantation you mean as  breast which stay forever or intramedullary nail and strips which remain for 2 years and in some case it need long time and may forever and for contraceptive implantatin it remain for 2 years you must know that hormonal repalcement therapy can cause similar symtoms from what you complain 

What are causes of previous problems and how to treat   ?

for heavy stomach 
1.irritable bowels syndrome treat by librax or deanxit and buscopan 3 times daily 
2.flaltus abdomen 
for lower back pain 
1.disc prolapse treat by surgery lamnictomy 
2.muscle spasm treat by mydocalm 3 times daily after food or panadol joint 
for constipation 
1.use of duphlac 10 ml 3 times daily 
2.glycarin supporteries use 3 times daily 
for excessive saliva
1.remove stones from salivary ducts which can be diagnoized by sialgram 
2.avoid salty spicy food