Presumptive Medicaid Eligibility for Pregnant Women; Authorizes certain entities meeting specified criteria to serve as qualified Medicaid providers for purposes of making presumptive Medicaid eligibility determinations for pregnant women; requires DCF to ensure that such providers are adequately trained & monitored for compliance when serving in such roles; requires AHCA to provide Medicaid coverage to pregnant women deemed presumptively eligible for duration of specified time period; provides that pregnant women deemed presumptively eligible are entitled to coverage of all medically necessary services under Medicaid program during such eligibility period; requires that all prior authorizations granted before or during such period remain in effect for duration of such period; requires agency, within specified timeframe, to seek federal approval to extend allowable period of presumptive Medicaid eligibility coverage for pregnant women; requires agency & department to initiate certain rulemaking within specified timeframe.