Very unfortunate that you had preterm still birth due to pregnancy induced hypertension.
It appears you had severe Gestational Hypertension
Avoid pregnancy for minimum 3 months
You require to undergo few tests before next conception. And these tests to be done 6 weeks after delivery ( after 30th of Oct 2020)
Next Steps
please consult a Obstetrician for further detailed evaluation before conception
Health Tips
Do relaxing exercises, keep calm, don't be too much worried about loss of baby. You will get healthy baby, but you require to take
proper advice from a Obstetrician.