Start with Kegel exercise . After a week, add core muscle exercise. Good luck

Firstly start gradually exercise  after some time you can start other exercise

I would recommend her to do postnatal exercises with proper guidance. But before that she should consult her gynaecologist to ensure the healing of her wound and to know her health status.

Hello Thanks for reaching out. If your wife's condition is good overall then yes she can start. I would recommend her to go for strengthening exercises for her pelvic floor muscles, core stabilizers before starting cycling. Proper workout will be helpful for health as well as body shaping.

With the information that's given here, this question can't be answered in yes or no. The reason is, we have to know what's the goal for your wife. Is she looking for weight loss ? Is she trying to get more active after pregnancy and delivery ? Also how active she was during and before pregnancy? I would recommend you to consult a Physiotherapist that specially work with post pregnancy cases. A Physiotherapist (ante Natal/post natal therapist) would be able to design the exercise program considering the medical history of your wife.

Be patient and stick to working that pelvic floor. Your wife may also want to try some gentle stretches and some hospitals will provide a series of suggested exercises to gently help your body post-birth. Ask your doctor or midwife for advice. If, after six weeks, your doctor has given you the all-clear, then only can start but take it steadily and listen to the body. C-section or stitches your wife may take longer to heal and be advised to avoid exercise for three months or longer. Again, don’t be tempted to start too soon. Build up training gradually. If you notice any bleeding, or unusual pain or discomfort during or after training, stop immediately and consult your doctor. It can take the body up to a year to fully return to its ‘old self’ after pregnancy and birth. Pregnancy hormones relax the muscles, meaning your ligaments are looser and more at risk of sprains and injuries. The effects last beyond childbirth so if you are supplementing your cycling with yoga or Pilates, be careful not to hyper-extend.