Results 131 to 140 of about 977,506 (197)

Impact of prevention of teenage pregnancy on very low and low birth weight rates (VLBWR, LBWR), and neonatal and infant mortality rates (NMR, IMR) in the United States † 532 [PDF]

open access: bronze, 1998
Kwang‐Sun Lee   +6 more
openalex   +1 more source

The increasing rates of ectopic pregnancy

open access: yesJournal of Obstetrics and Gynaecology, 1991
openaire   +2 more sources

P-272 Fibrin sealant (FS) improves pregnancy rates in the elderly in-vitro fertilization (IVF) population, and maintains them within the more youthful range

open access: bronze, 1997
I. Bar‐Hava   +8 more
openalex   +1 more source

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