id	keyword
american_scientific_journal-5771	women
american_scientific_journal-5771	pregnancy
american_scientific_journal-5771	coronavirus
american_scientific_journal-5771	fetal
american_scientific_journal-5771	infection
american_scientific_journal-5771	covid-19
american_scientific_journal-5771	complications
american_scientific_journal-5771	changes
american_scientific_journal-5771	volume
american_scientific_journal-5771	journal