140,000 people in overcrowded shelters in Lebanon. Beirut shelter houses 2,600 residents including 20 pregnant women. UNFPA estimates 620,000 displaced women and girls. 13,500 pregnant women displaced, 1,500 expected to give birth in 30 days. Mariam Zein cradles 11-week-old son in Beirut shelter. Ghada Issa faces toilet access challenges in cramped tent. Obstetrician warns of missed scans and mental health risks