Arie Luyendyk Jr. and Lauren Burnham Reveal Sex of Baby No. 4

Arie Luyendyk Jr. Reveals When He Had Vasectomy Reversal Before Baby No. 4

Arie Luyendyk Jr.'s Wife Had a Chemical Pregnancy Before Baby No. 4

'The Bachelor' Alum Lauren Burnham Announces Pregnancy After Husband Arie Luyendyk Jr.'s Vasectomy Reversal