Everybody knows how high miscarriage rates are – a fifth of people who know they're pregnant will miscarry.
A study by the nearby Shantou University found high miscarriage rates in local women.So far, manufacturers are doing little to make their products easy to dismantle and recycle cleanly.
This is in accordance with older studies that have reported high miscarriage rates among women with brucellosis (Lulu et al., 1988; Khan et al., 2001).
The researchers proposed that radioactive iodine-131, which was present in high amounts after Chernobyl and has been associated with high miscarriage rates, may have been particularly hazardous to males between 8 and 12 weeks gestation.
To investigate if patients with polycystic ovary syndrome (PCOS) who conceived via IVF treatment had a higher miscarriage rate than non-PCOS subjects after controlling for several important confounding variables relating to pregnancy loss.
Patients with unilateral or bilateral hydrosalpinx had a lower clinical pregnancy rate, a higher miscarriage rate, and a lower ongoing pregnancy rate than patients with absent Fallopian tubes.
The maternal immune system sometimes reacts against male embryos, leading to a higher miscarriage rate for boys in early pregnancy.
Fauci explained to ScienceInsider that the trial excluded women in the first trimester of pregnancy because that population has the highest miscarriage rate, and investigating the cause of each loss potentially could put the study on hold repeated.
Although patients with PCOS are typically characterized by increased numbers of oocytes retrieved during IVF, they are often of poor quality, leading to lower fertilization, cleavage and implantation rates, and a higher miscarriage rate.
Compared with the control group, Group 2 (women with polymorphic chromosome variants) had a similar early miscarriage rate (7.89 versus 6.84%, P > 0.05), while Group 3 (men with polymorphic chromosome variants) had a higher miscarriage rate (10.31 versus 6.84%), though the difference was not significant (P > 0.05).
