Is it possible for a lady to conceive after a...

Conception after surgeries for ectopic pregnancy 
Ectopic pregnancy is a state where the implantation of the zygote happen in a diifferent place rather than the usual place in the uterus like the Fallopian tubes and it causes severe abdominal pain and bleeding that necessitate emergency management that could be medical or surgical, in case of surgerye there are tow different options according to the state of the implantation and the rupture of the pregnancy: the 1st option is removal of the pregnancy sac without resection of the tube and other other option is removal of the tube with its content. the 1st option carries a better pregnancy possibility.
To have a normal pregnancy you should have a functioing ovaries, patent fallopian tubes and a healthy uterus. In case of surgical procedures for removal of a fallopian tube there will be a 50 % chance of having a normal pregnancy and if delayed you can discuss a fertilization procedure with your treating ob & gyne doctor.
Required tests 
To acheive a healthy pregnancy you should have your ovaries checked , your fallopian tube scanned and your uterus state assessed using Ultrasound scan, in some cases a contrast imaging of the uterus could be done to check for the patency of the remaining fallopian tube. a Hormonal assay is important in assessment of conception status and includes : FSH, LH, Estrogen and progestrone level. in addition a cbc to detect any hgb drop, Glucose level to detect diabetes is essential.
Casuses of Conception Failure 

• Defect in the process of ovulation in the ovaries 
• un- patent fallpoian tubes 
• congenital abnormalitites of the uterus 
• Defective ovum or male sperm 

Our advice 
You are adviced to have a healthy diet, excercise regularly , avoid smoking and consult your treating Ob & Gyne doctor to discuss for other options of assessted fertilization.