Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/194976
Type: Artigo de periódico
Title: Delayed First Injection Of The Once-a-month Injectable Contraceptive Containing 25 Mg Of Medroxyprogesterone Acetate And 5 Mg Of E(2)-cypionate: Effects On Ovarian Function.
Author: Petta, C A
Hays, M
Brache, V
Massai, R
Hua, Y
Alvarez-Sánchez, F
Croxatto, H
d'Arcangues, C
Cook, L A
Bahamondes, L
Abstract: To assess whether women who were administered the first injection of DMPA+E(2)C on day 7 of their menstrual cycle (delayed injection) exhibit the same degree of ovarian suppression as women who receive it on day 5 of their menstrual cycle. Multicenter, randomized controlled trial. Reproductive health clinics. Women aged between 18 and 38 years (inclusive) willing to use DMPA+E(2)C as their method of contraception. Participants received a DMPA+E(2)C injection on day 5 (control group, n = 41) or day 7 (delayed-injection group, n = 117) of their menstrual cycle. Ovarian activity and follicular development determined by serial serum progesterone levels and vaginal ultrasound. Participants who received DMPA+E(2)C on day 5 of their menstrual cycle (control group) exhibited no more than limited follicular growth (no follicle >16 mm). Of those women who received DMPA+E(2)C on day 7 of their menstrual cycle (delayed-injection group), 21 (18%) showed some follicular growth, of whom 4 (3%) ovulated. The first injection of DMPA+E(2)C given on day 7 of a menstrual cycle does not provide the same inhibition of ovarian activity as that observed when it is administered on day 5 of the menstrual cycle.
Subject: Adolescent
Adult
Age Factors
Body Mass Index
Contraceptive Agents, Female
Delayed-action Preparations
Estradiol
Female
Humans
Medroxyprogesterone Acetate
Menstrual Cycle
Ovarian Follicle
Ovary
Ovulation
Progesterone
Rights: fechado
Identifier DOI: 
Address: http://www.ncbi.nlm.nih.gov/pubmed/11287029
Date Issue: 2001
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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