Brief Answer:
Can be seen

Detailed Answer:
Hi,
Thanks for the query.
Yes. Some amount of backache can be seen in pregnancy. Due to causes like:
-Increased lumbar lardosis (spinal curvature), joint laxity etc.
-Stretching of uterine supportive ligaments due to enlargement of uterus
-Increased calcium need etc.
By following below measures pain can be deceased to some extent.
-Using calcium supplements
-Taking sufficient rest, eight hours in night and two hours in day time.
-Using local analgesic cream, if pain still persists analgesic tablet with your doctor's advice.
-Methylcobalamine supplements also help in decreasing pain.
-Suggestions by physiotherapist.

Hope I have answered your query. I will be available to answer followup queries. If you are satisfied with the response, please give your review at the end of the discussion.
Take care.

---