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No. They said and showed in their research that zygotes produce hCG and blastocysts later cause the placenta to produce it, and that hCG causes apoptosis in some of the attack T-cells of the females they are in. They said and showed that blastocysts implant by penetrating into the endometrial wall, that they use tissue from that wall in making the placenta, that the placenta produces indoleamine 2, 3-dioxygenase and that this is directed by embryo and catabolizes the local L-tryptophan in the female's body and causes her attack T-cells to be starved of that amino acid so that they go into a latent state in which they can neither reproduce nor protect the female from viruses and infections, etc., etc. In strings of X causes Y discoveries and the relations between them, scientists showed a basic conflict between the female and embryo and how this was partially resolved. They showed that this behavior is found in mammalian embryos in general, including human ones.
It is not hard to say, however, that the uterus is a sex organ and that, if the human embryo does what it does without the consent of the woman to whom it does them, and if we choose to interpret that human embryo as a separate human being or person, that embryo's behavior is readily perceived, with cause, to fit the legal descriptions of assault, sexual assault, and robbery.
Eileen McDonagh's Breaking the Abortion Deadlock: From Choice to Consent (1996) makes the basic case without using all the more recent scientific evidence that can support her case. For her, unwanted pregnancy is rape, pure and simple. She is considered one of the key pro-choice philosophers since the seminal essay by J J Thomson, "A Defense of Abortion," published in 1971, argued that no person, not even a fetus if it is a person, has the right to use or appropriate another person's body for life support.
However, Mcdonagh's and Thomson's arguments are significantly bolstered by the detailed scientific evidence related to the roles in pregnancy of production of hCG by the zygote and later the placenta, the placental production of indoleamine 2, 3-dioxygenase and the causation of this by the blastocyst, behavior of the immune cells and blood complement of the woman, etc.
Frankly, pro-choice people really don't want to have to make this case this way. They would prefer to see the implanted embryo/fetus as part of the woman's body. But if anti-abortion people push the issue by trying to make abortion illegal, this is the pro-choice card that comes out: the zygote/morula/blastocyst/embryo/fetus that was not given specific consent beforehand is a rapist, pure and simple, and the woman has the right to use deadly force if necessary to kick it out.
