It depends on you and your body and not on anyone who really doesn’t know you or who haven’t seen you doing your yoga to tell you yes or no.
Trikonasana = Triangular Pose
Dandasana = Breath Balancing Pose
Urdhava Prasarita Padasana = Upward Extended Feet Pose
Parsvottanasana = Intense Side Stretch Pose
You can read more about all these poses here.
It tones the spinal nerves, relaxes the sciatic nerve therefore relieving sciatica. It also tones the female reproductive organs and it stretches the abdominal muscles thereby promoting digestion and stimulating blood circulation.
This is as simple as I can put it, hope it helps.
I recommended this pose specifically to strengthen your hip flexors, which may help to improve your forward bends. The best way is to alternate extending your leg backwards with bent knee to nose. Build this up from 3 to 6 to 12 repetitions over time. Alternate legs.