In Vitro Fertilization procedures are deductible as medical expenses.
Medical expenses are claimed on Schedule A of form 1040 - Itemized Deductions
You can only deduct medical expenses in excess of 7.5% of your Adjusted Gross Income.
Itemized Deductions will only be advantageous when they total more than your standard deduction.
For 2019, standard deductions are:
$24,400 for married individuals filing joint returns and surviving spouses
$18,350 for heads of households, and
$12,200 for single taxpayers as well as married individuals filing separately.