Final answer:
Aborta refers to the number of abortions and miscarriages a person has had, and is included in 'parity' if the loss occurs after 20 weeks. The terminology is part of the medical field and is essential for understanding obstetrics and women's reproductive rights.
Step-by-step explanation:
The terminology related to pregnancy and its loss or termination is essential in medical and obstetric contexts. The term 'Aborta' refers to the number of abortions and miscarriages a person has had. It is included in 'parity' if the loss occurs after 20 weeks of gestation. A miscarriage, which is the spontaneous loss of a fetus before 20 weeks, falls under the category of aborta. On the other hand, 'Nullipara' typically describes someone who has never given birth after a pregnancy of more than 20 weeks, 'Gravida' indicates the total number of confirmed pregnancies a person has had (regardless of the outcome), and 'Para' refers to the number of pregnancies resulting in births of potentially viable offspring.
The termination of a pregnancy can be either spontaneous, which is then termed a miscarriage, or voluntary, which is referred to as an abortion. Fetal viability often influences laws regulating abortion and is a substantial factor in the political and legal sphere of women's reproductive rights.