Yes, the VAT tax on contraceptives should be reduced, because then more people would be able to afford them. When a price of a good is increased, demand will decrease. When the cost of contraceptives rise, less people will want to use them. Reducing the VAT tax will increase availability and use, which is good public policy.
Yes, the VAT tax on contraceptives should be reduced, because the tax makes contraceptives more expensive. If contraceptives were less expensive, more people would use them. Reducing the tax would make contraceptives more widely available to low-income persons, who are also the persons most likely to need them. Lowering the cost increases affordability.