试管婴儿和避孕的费用已经下降，由于出生率较低，使生育治疗更容易获得。 Costs for IVF and contraception have dropped, making fertility treatments more accessible due to lower birth rates.

由于全国出生率下降，体外受精治疗和避孕药的费用下降，使许多美国人更能负担得起这些服务。 Due to a decline in the national birth rate, the costs of IVF treatments and contraception drugs have decreased, making these services more affordable for many Americans.