second trimester


Also found in: Dictionary, Thesaurus, Wikipedia.

second trimester

The middle 3 months of pregnancy.
See also: trimester
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Sublingual versus vaginal misoprostol for second trimester termination a randomized clinical trial.
The 130 pregnant women were divided into two groups based on oral glucose tolerance test in the second trimester. The antenatal subjects who developed GDM in the second trimester were designated as cases.
Mean TSH levels in our study increased from first to second trimester. These results are consistent with results of other studies.9,21 Similarly, TSH reference value for the first trimester in this study (0.05-2.8 uIU/ml) was limited as compared to 0.01-4.05uIU/ml reported in a study conducted in the United States (US).19 In another US study22 the same automated immunoassay analyser(ADVIA CENTAUR analyser) was used and reference interval was found to be 0.04-3.6 uIU/ml.
The combination of mifepristone and misoprostol has been found to be an effective method of termination of pregnancy in second trimester. The optimisation of the mifepristone and misoprostol regimens is still on to decrease the economic burden on hospitals and to improve efficacy, acceptability and compliance with minimal effects to women's health.
However, CA-125 level in first trimester was higher than second trimester in most results.
The second trimester is usually considered the safest for dental procedures, during which it is ideal to eliminate all potential dental pathologies that may arise during the course of the pregnancy.
Research indicates that the vast majority of women obtaining an abortion during the second trimester would have preferred to have had it earlier.(12) State abortion restrictions are one increasingly common reason women encounter delays receiving abortion care, and D&E bans must be considered in the context of such restrictions.
KEY WORDS: Umbilical cord entry abnormity, Ultrasonic diagnosis, Second trimester.
Maternal change leads to decrease in Hb concentration in first trimester which further decline and reaches its lowest level during second trimester. During second trimester Hb concentration diminish approximately 5 g/L.
While invasive tests--chorionic villus sampling (CVS), amniocentesis, or cordocentesis--remain the gold standard for diagnosis of aneuploidies, there have been several advances in non-invasive screening tests in both the first and second trimesters of pregnancy.
The country's health ministry said the woman was presumably infected during a trip to Columbia and is in her second trimester of pregnancy.
Pro-abortion groups have defended the procedure, stating it is the safest for women who seek to terminate their pregnancies in the second trimester. Quoting gynecologist Kathleen Morrell, a fellow for the pro-abortion group Physicians for Reproductive Health, the New York Times reported, "Alternatives in the second trimester, like medically induced, nonsurgical abortions, are more dangerous for some women, can involve days of uncertain waiting and may require access to hospital facilities."