Croxatto, H B <br/><br/>
Fertility regulation in nursing women. II. Comparative performance of progesterone implants versus placebo and copper T.  [electronic resource] 

 -  American journal of obstetrics and gynecology  Sep 1982 
 - 201-8 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article 
<br/><br/><label>ISSN: </label>0002-9378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth Weight<br/>Breast Feeding<br/>Child Development<br/>Contraception--methods<br/>Drug Implants<br/>Female<br/>Humans<br/>Infant<br/>Infant, Newborn<br/>Intrauterine Devices, Copper<br/>Lactation<br/>Parity<br/>Placebos<br/>Postpartum Period<br/>Pregnancy<br/>Progesterone--administration & dosage<br/>Socioeconomic Factors